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      <title>원소가 뭔데요? (2-2) by 이주연</title>
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      <description>2반</description>
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      <item>
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      <item>
         <title>탄털럼</title>
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      <item>
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      <item>
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      <item>
         <title>하프늄</title>
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      <item>
         <title>루테늄</title>
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      <item>
         <title>악티늄</title>
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      <item>
         <title>로듐</title>
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      <item>
         <title>이트륨</title>
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      <item>
         <title>터븀</title>
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      <item>
         <title>디스프로슘</title>
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      <item>
         <title>팔라듐</title>
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      <item>
         <title>네오디뮴</title>
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      <item>
         <title>우라늄</title>
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      <item>
         <title>라듐</title>
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      <item>
         <title>라돈</title>
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      <item>
         <title>납</title>
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      <item>
         <title>수은</title>
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      <item>
         <title>은</title>
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      <item>
         <title>금</title>
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      <item>
         <title>백금</title>
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      <item>
         <title>바륨</title>
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      <item>
         <title>세슘</title>
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      <item>
         <title>아이오딘</title>
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      <item>
         <title>주석</title>
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      <item>
         <title>카드뮴</title>
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      <item>
         <title>스트론튬</title>
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      <item>
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      <item>
         <title>갈륨</title>
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      <item>
         <title>구리</title>
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      <item>
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         <title>코발트</title>
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         <title>칼슘</title>
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         <title>칼륨(포타슘)</title>
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      <item>
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         <description><![CDATA[]]></description>
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         <title>인</title>
         <author>wndusthdus24</author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2079976101</link>
         <description><![CDATA[]]></description>
         <enclosure url="" />
         <pubDate>2022-03-06 14:49:40 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2079976101</guid>
      </item>
      <item>
         <title>규소</title>
         <author>wndusthdus24</author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2079976102</link>
         <description><![CDATA[]]></description>
         <enclosure url="" />
         <pubDate>2022-03-06 14:49:40 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2079976102</guid>
      </item>
      <item>
         <title>알루미늄</title>
         <author>wndusthdus24</author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2079976103</link>
         <description><![CDATA[]]></description>
         <enclosure url="" />
         <pubDate>2022-03-06 14:49:40 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2079976103</guid>
      </item>
      <item>
         <title>마그네슘</title>
         <author>wndusthdus24</author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2079976104</link>
         <description><![CDATA[]]></description>
         <enclosure url="" />
         <pubDate>2022-03-06 14:49:40 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2079976104</guid>
      </item>
      <item>
         <title>나트륨(소듐)</title>
         <author>wndusthdus24</author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2079976105</link>
         <description><![CDATA[]]></description>
         <enclosure url="" />
         <pubDate>2022-03-06 14:49:40 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2079976105</guid>
      </item>
      <item>
         <title>네온</title>
         <author>wndusthdus24</author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2079976106</link>
         <description><![CDATA[]]></description>
         <enclosure url="" />
         <pubDate>2022-03-06 14:49:40 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2079976106</guid>
      </item>
      <item>
         <title>플루오린</title>
         <author>wndusthdus24</author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2079976107</link>
         <description><![CDATA[]]></description>
         <enclosure url="" />
         <pubDate>2022-03-06 14:49:40 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2079976107</guid>
      </item>
      <item>
         <title>산소</title>
         <author>wndusthdus24</author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2079976108</link>
         <description><![CDATA[]]></description>
         <enclosure url="" />
         <pubDate>2022-03-06 14:49:40 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2079976108</guid>
      </item>
      <item>
         <title>질소</title>
         <author>wndusthdus24</author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2079976109</link>
         <description><![CDATA[]]></description>
         <enclosure url="" />
         <pubDate>2022-03-06 14:49:40 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2079976109</guid>
      </item>
      <item>
         <title>탄소</title>
         <author>wndusthdus24</author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2079976110</link>
         <description><![CDATA[]]></description>
         <enclosure url="" />
         <pubDate>2022-03-06 14:49:40 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2079976110</guid>
      </item>
      <item>
         <title>붕소</title>
         <author>wndusthdus24</author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2079976111</link>
         <description><![CDATA[]]></description>
         <enclosure url="" />
         <pubDate>2022-03-06 14:49:40 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2079976111</guid>
      </item>
      <item>
         <title>베릴륨</title>
         <author>wndusthdus24</author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2079976113</link>
         <description><![CDATA[]]></description>
         <enclosure url="" />
         <pubDate>2022-03-06 14:49:40 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2079976113</guid>
      </item>
      <item>
         <title>리튬</title>
         <author>wndusthdus24</author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2079976114</link>
         <description><![CDATA[]]></description>
         <enclosure url="" />
         <pubDate>2022-03-06 14:49:40 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2079976114</guid>
      </item>
      <item>
         <title>헬륨</title>
         <author>wndusthdus24</author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2079976115</link>
         <description><![CDATA[]]></description>
         <enclosure url="" />
         <pubDate>2022-03-06 14:49:40 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2079976115</guid>
      </item>
      <item>
         <title>수소</title>
         <author>wndusthdus24</author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2079976116</link>
         <description><![CDATA[]]></description>
         <enclosure url="" />
         <pubDate>2022-03-06 14:49:40 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2079976116</guid>
      </item>
      <item>
         <title>2. &lt;원소 조사&gt; </title>
         <author>wndusthdus24</author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2079976119</link>
         <description><![CDATA[<div>- 조사 후 자신이 조사한 원소 포스트잇 색깔 보라색으로 바꾸기<br>- 가장 왼쪽 컬럼<br>1. 원소 기호:<br>2. 원소 번호:<br>3. 원소 특징:</div>]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/814621882/e5b373ac0b2d598786e1dff9d422b69f/__1.png" />
         <pubDate>2022-03-06 14:49:40 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2079976119</guid>
      </item>
      <item>
         <title>1. 학번, 이름</title>
         <author>wndusthdus24</author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2079976120</link>
         <description><![CDATA[]]></description>
         <enclosure url="" />
         <pubDate>2022-03-06 14:49:40 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2079976120</guid>
      </item>
      <item>
         <title>4. 원소가 들어가 있는 물질 사진 3개</title>
         <author>wndusthdus24</author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2098852711</link>
         <description><![CDATA[]]></description>
         <enclosure url="" />
         <pubDate>2022-03-16 21:38:24 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2098852711</guid>
      </item>
      <item>
         <title>3. 원소이름을 이용한 짧은글짓기(1문장 ~ 2문장, 1~118번 원소 모두 사용 가능)</title>
         <author>wndusthdus24</author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2102998685</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/814621882/5ea90e2245b089e376d644efb576b58a/____.png" />
         <pubDate>2022-03-19 14:02:56 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2102998685</guid>
      </item>
      <item>
         <title>1. 20240 김루비</title>
         <author>wndusthdus24</author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2103007163</link>
         <description><![CDATA[]]></description>
         <enclosure url="" />
         <pubDate>2022-03-19 14:15:30 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2103007163</guid>
      </item>
      <item>
         <title>2. &lt;원소 조사&gt; 칼륨</title>
         <author>wndusthdus24</author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2103009962</link>
         <description><![CDATA[<div>원소 기호: K<br>원자 번호: 19<br>원소 특징: 무른 은백색 금속으로 바닷물이나 다른 광물에 주로 화합물의 형태로 널리 분포한다.<br>공기나 물 속에서 급격히 반응하여 산화하며, 나트륨과 화학적 성질이 비슷하다.&nbsp;</div>]]></description>
         <enclosure url="" />
         <pubDate>2022-03-19 14:19:58 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2103009962</guid>
      </item>
      <item>
         <title>3. 짧은 글 짓기 </title>
         <author>wndusthdus24</author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2103357945</link>
         <description><![CDATA[<div>오늘은 즐거운 Au(금)요일이다!<br>화장실에 들어가니 냄새가 CuCu(구리구리)했다.</div>]]></description>
         <enclosure url="" />
         <pubDate>2022-03-20 02:57:22 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2103357945</guid>
      </item>
      <item>
         <title>4. 원소가 들어있는 물질 사진 3개</title>
         <author>wndusthdus24</author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2103359261</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/814621882/3f67c7e72523a58a141c27bef895d337/image.webp" />
         <pubDate>2022-03-20 03:00:19 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2103359261</guid>
      </item>
      <item>
         <title>58번 Ce 세륨</title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2103377222</link>
         <description><![CDATA[<div>58번 Ce 세륨<br><br>자동차 앞 유리에 사용됨<br><br>세륨은 광택이 있는 은색을 띠는 란타넘족 금속이다.<br>무르고 연성이 커 굽히거나 펴기 쉽다.</div><div>공기 중에서 쉽게 산화하여 산화세륨이 된다.<br>산화세륨은 세리아라고 불린다.<br>도자기의 유약으로는 잘 쓰이지 않으나 흰색 유약을 만들기 위해 쓰이기도 한다.</div>]]></description>
         <enclosure url="https://ko.wikipedia.org/wiki/%EC%84%B8%EB%A5%A8" />
         <pubDate>2022-03-20 03:42:51 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2103377222</guid>
      </item>
      <item>
         <title>59번 Pr 프라세오디뮴</title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2103377427</link>
         <description><![CDATA[<div>59번 Pr 프라세오디뮴<br><br>용접 보안경에 사용<br><br>프라세오디뮴은 자연적으로 항상 다른 희토류 원소들과 함께 발견된다. 프라세오디뮴은 4번째로 흔한 희토류 원소이다. 대부분의 희토류 원소들처럼 프라세오디뮴은 수용액에서 유일하게 안정한 상태의 산화수인 +3의 산화수를 갖는다.<br>프라세오디뮴은 산화되면 표면이 노란색이 된다.<br>이로 인해 노란색 안료로 쓰인다.<br>프라세오디뮴의 많은 공학적 이용은 광원에서 노란빛을 걸러내는 것을 포함한다.</div>]]></description>
         <enclosure url="https://ko.wikipedia.org/wiki/%ED%94%84%EB%9D%BC%EC%84%B8%EC%98%A4%EB%94%94%EB%AE%B4" />
         <pubDate>2022-03-20 03:43:20 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2103377427</guid>
      </item>
      <item>
         <title>62번 Sm 사마륨</title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2103380861</link>
         <description><![CDATA[<div>62번 Sm 사마륨<br><br>촬영용 조명에 사용된다.<br>원자로 제어봉에 사용된다.<br><br>약간의 독성을 띈다.<br>굳기와 밀도가 아연과 비슷하다.<br>순수한 사마륨은 은색 광택이 있다.<br>150도 이상의 온도로 가열하면 스스로 발화한다.<br>네오디뮴 자석 다음으로 강력한 사마륨-코발트 자석을 만드는데 사용된다.</div>]]></description>
         <enclosure url="https://ko.wikipedia.org/wiki/%EC%82%AC%EB%A7%88%EB%A5%A8" />
         <pubDate>2022-03-20 03:50:28 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2103380861</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2103384115</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/1635056715/62208a96081c88ded3434823b510b2e1/20220320_125730.jpg" />
         <pubDate>2022-03-20 03:59:29 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2103384115</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2103384215</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/1635056715/55077b24937b5ba845d175b5ab7fbc2d/20220320_125716.jpg" />
         <pubDate>2022-03-20 03:59:46 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2103384215</guid>
      </item>
      <item>
         <title>4. 원소가 들어있는 물질</title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2103384406</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/1635056715/a111bf91b510f8f1ee4e5a9d9112ae7a/20220320_125654.jpg" />
         <pubDate>2022-03-20 04:00:14 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2103384406</guid>
      </item>
      <item>
         <title>3. 짧은 글 짓기</title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2103384659</link>
         <description><![CDATA[<div>Na(나트륨)은 오늘 S(황)색 Cl(염소)를 만났다. 염소에게는 Cu(구리)Li(리튬)Cu(구리)Li(리튬)한 냄새가 났다. 내가 염소한테 어디를 가는 중이냐고 묻자 염소는 Pt(백금)을 하러 간다고 말했다.</div>]]></description>
         <enclosure url="" />
         <pubDate>2022-03-20 04:00:55 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2103384659</guid>
      </item>
      <item>
         <title>2. &lt;원소조사&gt; 나트륨</title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2103385056</link>
         <description><![CDATA[<div>원소 기호 : Na<br>원소 번호 : 11<br>원소 특징 : 나트륨은 원소중 금속, 그 중 불꽃 반응이 나타나는 원소로서 불꽃 반응 색은 노란색이다. 나트륨은 금속임에도 가벼운 물질이다. 또한 나트륨은 음식에 주료 사용되는데, 라면, 떡볶이, 김치찌게, 된장찌게 등 탄수화물이 대량 함유되는 음식에 포함되어 있어 적당량을 섭취하는 것이 몸에 이롭다.</div>]]></description>
         <enclosure url="" />
         <pubDate>2022-03-20 04:01:58 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2103385056</guid>
      </item>
      <item>
         <title>1. 20205 김윤주</title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2103385197</link>
         <description><![CDATA[]]></description>
         <enclosure url="" />
         <pubDate>2022-03-20 04:02:21 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2103385197</guid>
      </item>
      <item>
         <title>1. 20236 김지수</title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2103385919</link>
         <description><![CDATA[]]></description>
         <enclosure url="" />
         <pubDate>2022-03-20 04:04:19 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2103385919</guid>
      </item>
      <item>
         <title>2. &lt;원소 조사&gt; 수소</title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2103388815</link>
         <description><![CDATA[<div>원소 기호: H<br>원자 번호: 1<br>원소 특징: 수소는 자연계에 존재하는 원소들 중에 가장 작은 <a href="https://terms.naver.com/entry.naver?docId=5663162&amp;ref=y">원자</a>들로 구성되어 있고, 매우 가볍다. 수소는 1671년에 로버트 보일이 발견하였다. 수소는 가연성이 높고, 특히 공기와 섞여 있는 상태에서 점화가 되었을 때는 연소가 되기보다는 폭발할 위험이 크므로 주의하여야 한다.&nbsp;</div>]]></description>
         <enclosure url="" />
         <pubDate>2022-03-20 04:09:54 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2103388815</guid>
      </item>
      <item>
         <title>20213윤예빈</title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2103389094</link>
         <description><![CDATA[]]></description>
         <enclosure url="" />
         <pubDate>2022-03-20 04:10:41 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2103389094</guid>
      </item>
      <item>
         <title>64번 Gd 가돌리늄</title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2103389195</link>
         <description><![CDATA[<div>64번 Gd 가돌리늄<br><br>MRI조영제<br><br>가돌리늄은 특이한 금속 공학적 성질을 띠는데, 1% 정도의 작은 양의 가돌리늄으로 철, 크로뮴 등의 금속의 작업성과 고온 환경에서 산화 저항성을 눈에 보일 정도로 향상시킨다는 점이 그 예이다.<br>금속 또는 염 형태의 가돌리늄은 중성자를 흡수해서 중성자 방사선 촬영이나 원자로에서 중성자를 막는 재료로 쓰이기도 한다.<br><br></div>]]></description>
         <enclosure url="https://ko.wikipedia.org/wiki/%EA%B0%80%EB%8F%8C%EB%A6%AC%EB%8A%84" />
         <pubDate>2022-03-20 04:10:59 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2103389195</guid>
      </item>
      <item>
         <title>3. 짧은 글 짓기</title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2103392167</link>
         <description><![CDATA[<div>미용실에&nbsp;가서 Pt(백금)발로 염색을 했다. 만족하며 집에 돌아왔는데 엄마가 Fe(철) 좀 들으라고 타박을 했다.</div>]]></description>
         <enclosure url="" />
         <pubDate>2022-03-20 04:19:19 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2103392167</guid>
      </item>
      <item>
         <title>117번 Ts 테네신</title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2103392929</link>
         <description><![CDATA[<div>117번 Ts 테네신<br><br>질량이 큰 인공 원소들이 매우 불안정한 것과 달리 질량이 커질수록 더 안정되고 수명도 길어진다는 이른바 안정성의 섬 이론과 일치하는 것으로 나타나 학계의 큰 관심을 끌고 있다.<br>또한추측만 하고 발견되지 않다가 제조를 통해 만들어진 원소가 되었다.<br>과거 미발견시 발견이 되면, 할로젠 원소중 가장 무거운 원소가 된다고도 했다.<br>알파 붕괴를 하며 모스코븀을 생성할 것으로 추정된다.</div>]]></description>
         <enclosure url="https://ko.wikipedia.org/wiki/%ED%85%8C%EB%84%A4%EC%8B%A0" />
         <pubDate>2022-03-20 04:21:39 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2103392929</guid>
      </item>
      <item>
         <title>원소조사 (산소)</title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2103393744</link>
         <description><![CDATA[<div>원소기호:O<br>원소번호:8번<br>원소특징:공기중에 78%가량 포함된 질소에 이어 2번째로 많은 21%가량 포함되어있다.산소가 모자라거나 너무 많으면 치명적인 문제를 일으키므로 항상 적당한 양이 적절하게 분배된 상태여야 이로운 물질이다.<br><br><br><br></div>]]></description>
         <enclosure url="" />
         <pubDate>2022-03-20 04:24:02 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2103393744</guid>
      </item>
      <item>
         <title>4. 원소가 들어가 있는 물질 사진</title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2103401152</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/1635047554/82084f499cc50e07ea9f31727e043375/EDDD32E0_6CA1_4A92_A862_B92CABB5F77F.jpeg" />
         <pubDate>2022-03-20 04:43:47 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2103401152</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2103401267</link>
         <description><![CDATA[]]></description>
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         <pubDate>2022-03-20 04:44:03 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2103401267</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2103401344</link>
         <description><![CDATA[]]></description>
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         <pubDate>2022-03-20 04:44:18 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2103401344</guid>
      </item>
      <item>
         <title>1. 20206 김태은</title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2103403245</link>
         <description><![CDATA[]]></description>
         <enclosure url="" />
         <pubDate>2022-03-20 04:49:47 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2103403245</guid>
      </item>
      <item>
         <title>2. &lt;원소조사&gt; 칼슘</title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2103407664</link>
         <description><![CDATA[<div>원소 기호 : Ca<br>원소 번호 : 20<br>원소 특징 : 칼슘은 은백색의 부드러운 금속으로, 납보다는 약간 더 단단하다. 베릴륨과 마그네슘에 비해 반응성이 높은 알칼리토금속으로, 여러 비금속들과 반응이 쉽게 일어난다. 이때문에 자연상태에서 화합물로 존재한다. 지각에서 산소, 규소, 알류미늄, 철 다음으로 풍부한 원소이다. 불꽃 반응이 나타나며, 불꽃 반응 색은 주황색이다.&nbsp;<br>대부분이 인산칼슘의 형태로 뼈와 이의 성분을 이루며, 유제품에 많이 들어있다.<br><br></div>]]></description>
         <enclosure url="" />
         <pubDate>2022-03-20 05:01:22 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2103407664</guid>
      </item>
      <item>
         <title>3. 짧은 글 짓기</title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2103409600</link>
         <description><![CDATA[<div>오늘Ag(은) 오랜만에 염색하러 가는 날!<br>Co(코발트)블루로 추천해주셔서 도전해 보았다. 컬러가 마음에 들어 기분좋게 P(인)사를 하고 나왔다.</div>]]></description>
         <enclosure url="" />
         <pubDate>2022-03-20 05:06:10 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2103409600</guid>
      </item>
      <item>
         <title>4. 원소가 들어있는 물질</title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2103409786</link>
         <description><![CDATA[<div>마스코바도 설탕</div>]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/1196910786/4839f0123f6233471dcb5d23d241c31a/__1.jpg" />
         <pubDate>2022-03-20 05:06:37 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2103409786</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2103432650</link>
         <description><![CDATA[<div>우유</div>]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/1196910786/9d0e753e215a869deb70304a2efadc07/__2.jpg" />
         <pubDate>2022-03-20 05:51:52 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2103432650</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2103432957</link>
         <description><![CDATA[<div>생수</div>]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/1196910786/e0fa9878761332ab5c00ea7aa1140bb9/__3.jpg" />
         <pubDate>2022-03-20 05:52:48 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2103432957</guid>
      </item>
      <item>
         <title>1. 20216 정지수</title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2103482700</link>
         <description><![CDATA[]]></description>
         <enclosure url="" />
         <pubDate>2022-03-20 07:46:57 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2103482700</guid>
      </item>
      <item>
         <title>2. 원소 조사</title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2103486657</link>
         <description><![CDATA[<div>원소기호 : Na<br>원소번호 : 11번<br>원소특징 : 나트륨은 소금 등의 화합물로 존재하여 고대부터 알려진 원소들 중 하나이다. 화합물에서 분리된 금속 나트륨은 물보다 가볍고 칼로도 자를 수 있을 정도로 무르며, 광택이 있는 은백색이다. 반응성이 매우 높아서 공기에 노출되면 산화되어 뿌옇게 흐려지고 물에 닿으면 격렬하게 열을 내며 반응하기 때문에 석유에 담근 상태로 보관한다.</div>]]></description>
         <enclosure url="" />
         <pubDate>2022-03-20 07:54:59 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2103486657</guid>
      </item>
      <item>
         <title>3. 짧은 글 짓기</title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2103497445</link>
         <description><![CDATA[<div>나(Na,나트륨)의 동생은(Ag,은) 수(소,H)학문제 푸는것을 어려워해서 내가 도와주었다.</div>]]></description>
         <enclosure url="" />
         <pubDate>2022-03-20 08:15:53 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2103497445</guid>
      </item>
      <item>
         <title>4. 원소가 들어있는 물질</title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2103501653</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/1635076821/7be87a04b48de346a6e11b28e3408dde/__44_20220320172042.png" />
         <pubDate>2022-03-20 08:22:53 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2103501653</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2103573354</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/1635076821/005d8f2b054f1297d471e2385167a3f6/__46_20220320191712.png" />
         <pubDate>2022-03-20 10:19:50 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2103573354</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2103574118</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/1635076821/a1ac9385eeb930a65ffabbe8f914ac65/__46_20220320191754.png" />
         <pubDate>2022-03-20 10:20:59 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2103574118</guid>
      </item>
      <item>
         <title>1. 20201 강하늘 </title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2103679604</link>
         <description><![CDATA[]]></description>
         <enclosure url="" />
         <pubDate>2022-03-20 13:05:11 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2103679604</guid>
      </item>
      <item>
         <title>2. &lt;원소 조사&gt; 수소</title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2103680020</link>
         <description><![CDATA[<div>원소 기호: H</div><div>원자 번호: 1<br><br></div><div>원소 특징: 주기율표의 가장 첫번째 원소인 수소는 지구상에서 가장 가벼운 질량의 물질로 알려져 있고 우주에서 가장 풍부하고 흔한 원소이기도 하다. 또한 수소는 연료 전지와 수소 자동차 등등의 다양한 분야에서 쓰일 가능성이 높다고 한다.</div>]]></description>
         <enclosure url="" />
         <pubDate>2022-03-20 13:05:54 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2103680020</guid>
      </item>
      <item>
         <title>4. 원소가 들어가있는 물질 사진 3장</title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2103688429</link>
         <description><![CDATA[<div>물</div>]]></description>
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         <pubDate>2022-03-20 13:18:34 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2103688429</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2103688891</link>
         <description><![CDATA[<div>지구</div>]]></description>
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         <pubDate>2022-03-20 13:19:08 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2103688891</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2103689147</link>
         <description><![CDATA[<div>태양</div>]]></description>
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         <pubDate>2022-03-20 13:19:30 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2103689147</guid>
      </item>
      <item>
         <title>3. 짧은 글짓기</title>
         <author>bamsky0909</author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2103694863</link>
         <description><![CDATA[<div>어제가 Au(금)요일이였던것 같은데 벌써 내일이 월요일이다. 그래서 그런지 기분이 매우 Cu(구리)Cu(구리)하다. 주말 내내 낮 12시까지 잤더니 엄마가 나를 보시고선 혀를 끌끌 차며 Fe(철)좀 들라고 하셨다.</div>]]></description>
         <enclosure url="" />
         <pubDate>2022-03-20 13:27:20 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2103694863</guid>
      </item>
      <item>
         <title>20215이서영</title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2103727167</link>
         <description><![CDATA[]]></description>
         <enclosure url="" />
         <pubDate>2022-03-20 14:08:37 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2103727167</guid>
      </item>
      <item>
         <title>2. 원소 조사</title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2103729541</link>
         <description><![CDATA[<div>원소기호: P<br>원자번호: 15<br>원소 특징: 동물에는 뼈·이 등의 주요 성분이고, 또 피틴, 인지질, 인단백질, 핵산 등의 중요한 유기화합물로서 체내에 함유되어 있고 식물에는 0.2∼0.8% 함유되어 있다. 인은 많은 동소체가 존재하며 누리끼리한 왁스 형태의 백(황)린, 검고 광택이 있어 흑연과 비슷해 보이는 흑린, 희귀한 자린, 그리고 성냥갑에 묻어있는 형태로 흔히 볼수 있는 적린 등이 있다. 이것들은 각각의 원자의 배열이나 성질이 다르다.<br>생명체의 필수 6대 원소 중 하나이기도 하다. 지금까지 알려진 지구 상의 모든 생명체는 탄소, 수소, 질소, 산소, 인, 황을 포함하고 있으며 사람의 경우 체중의 약 1%를 차지하고 있다. 그 밖에 비료로도 사용되며 질소나 칼륨과 함께 비료의 3대요소라 불린다.</div><div><br></div>]]></description>
         <enclosure url="" />
         <pubDate>2022-03-20 14:11:29 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2103729541</guid>
      </item>
      <item>
         <title>3. 짧은 글 짓기</title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2103736641</link>
         <description><![CDATA[<div>Na(나)는 오늘 친구와 가위바위보를 자그마치 30번을 했는데 내가 친구를 단 한 번도 이겨보지 못해서 "이건 P(인)간인가?" 라는 생각이 들었다</div>]]></description>
         <enclosure url="" />
         <pubDate>2022-03-20 14:19:00 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2103736641</guid>
      </item>
      <item>
         <title>4. 원소가 들어있는 물질</title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2103749745</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/1635351303/ef0eb73bb2170d61f370e2df4b5fca2b/_____jpeg.jpg" />
         <pubDate>2022-03-20 14:34:42 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2103749745</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2103755207</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/1635351303/7ef7105a1bc3c127af06a331c69ff1c7/_____jpeg_1.jpg" />
         <pubDate>2022-03-20 14:39:59 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2103755207</guid>
      </item>
      <item>
         <title>20231이종현</title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2104728814</link>
         <description><![CDATA[]]></description>
         <enclosure url="" />
         <pubDate>2022-03-21 07:15:35 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2104728814</guid>
      </item>
      <item>
         <title>20214 이사랑</title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2104918447</link>
         <description><![CDATA[]]></description>
         <enclosure url="" />
         <pubDate>2022-03-21 09:30:46 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2104918447</guid>
      </item>
      <item>
         <title>2 원소조사 규소(si)</title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2104921907</link>
         <description><![CDATA[<div>원소 기호 - si<br>원소 번호 - 14번<br>원소 특징 -&nbsp;<br>지구의 지각에서 산소 다음으로 많은 원소로 전체 질량의 27.7%를 차지하며(오오오 꽤 많네)<br>우주에서는 질량 기준으로 8번째로 많이 존재하는 원소이다.<br>지구에서는 점토나 모래, 석영, 장석, 화강암 등의 형태로 산출되며, 주로 이산화규소나 규산암 상태를 하고 있다.&nbsp;<br>대부분 반도체의 주성분이며, 이산화규소나 규산염의 형태로 유리, 시멘트 등의 주성분을 이루고 있다.&nbsp;<br>실리콘 수지의 주성분이기도 하다. 현대에 와서는 반도체 제조에 핵심적으로 쓰이나, 대부분은 철 제련, 알루미늄 주조, 실리카겔 제조 등에 사용된다.</div><div>대부분의 생명체 내에서는 미량 존재하지만 필수적인 역할을 수행하며, 특히 해면 등 일부 해양 생물의 경우규소 화합물로 이루어진 골격을 가지고 있다.</div>]]></description>
         <enclosure url="" />
         <pubDate>2022-03-21 09:33:00 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2104921907</guid>
      </item>
      <item>
         <title>3 짧은 글 짓기</title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2104974048</link>
         <description><![CDATA[<div>미술 과제로 내가 재현하고 싶은 사물을 짧은 시(si) 나 글, 노래 가사 등을 써서 네이버 카페에 댓글로 올려야한다(중요중요)<br>다음 국어 시간에는 동백꽃의 나(Na)의 시점이 아닌 다른 사람의 시점으로 글짓기를 하기로 하였다(중요)</div>]]></description>
         <enclosure url="" />
         <pubDate>2022-03-21 10:08:13 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2104974048</guid>
      </item>
      <item>
         <title>4 원소가 들어있는 물질</title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2104996364</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/1636273912/40063a9eb06884bc208c7eb2a1c48706/65397B8B_B05B_46D8_9A5A_6D66D036ADCC.jpeg" />
         <pubDate>2022-03-21 10:23:37 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2104996364</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2104997155</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/1636273912/f0d62d583cf30bc9c4cb67b537305848/16F37910_F9EF_4BEC_A715_67FC8BE752CA.jpeg" />
         <pubDate>2022-03-21 10:24:05 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2104997155</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2104997455</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/1636273912/34d67747a77d9cc1c4aede2221e99222/240BB981_3F6C_4614_B3FF_5AAB95859032.jpeg" />
         <pubDate>2022-03-21 10:24:19 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2104997455</guid>
      </item>
      <item>
         <title>20212 윤서영</title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2107215857</link>
         <description><![CDATA[]]></description>
         <enclosure url="" />
         <pubDate>2022-03-22 10:37:49 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2107215857</guid>
      </item>
      <item>
         <title>1. 20210 백승연</title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2107426542</link>
         <description><![CDATA[]]></description>
         <enclosure url="" />
         <pubDate>2022-03-22 12:50:06 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2107426542</guid>
      </item>
      <item>
         <title>2. &lt;원소조사&gt; 네온</title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2107434424</link>
         <description><![CDATA[<div>원소 기호 : Ne<br>원소 번호 : 10<br>원소 특징 : 색깔과 냄새, 맛이 없으며 공기보다 가볍다. 저압방전에 의해 적색의 휘선스펙트럼을 나타낸다. 비활성 기체로서 단원자 분자 상태로 존재한다. 헬륨 다음으로 반응성이 낮다. 네온 사인을 이용한 광고판에 자주 사용된다. 다른 비활성 기체를 첨가하여 여러 종류의 색깔을 낼 수도 있다.<br><br></div>]]></description>
         <enclosure url="" />
         <pubDate>2022-03-22 12:54:01 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2107434424</guid>
      </item>
      <item>
         <title>3. 짧은 글짓기</title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2107449427</link>
         <description><![CDATA[<div>가족끼리 외식을 하려다가 Ne(네온)사인으로 꾸며져 있는 가게를 발견했다. 엄마에게 가게가 너무 이쁜거 같Zn(아연)이라고 말했다. 가게에 들어가기 전에 밖에 걸려있던 메뉴판을 봤는데, 음식들이 엄청나게 비싸서 P(인)제는 이런 가게에 Au(금)같은 시간을 뺏기지 말아야겠다고 생각하며 집으로 갔다.</div>]]></description>
         <enclosure url="" />
         <pubDate>2022-03-22 13:01:14 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2107449427</guid>
      </item>
      <item>
         <title>4. 원소가 들어있는 물질</title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2107467864</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/1635049214/1933221b7d460669a79726048a848394/9c6c64f19e76f3b250f0087c26bf67e4a012b85d3b457e4052a8114042c4346cb4452623797fb6dbf1ac30125adca21aff338ac2b91cfb78168e079bead156df9e0bf2d79c98288c1b1d5a3f3e918b31d6cb51881289194c3b90968fb41e49f5.jpeg" />
         <pubDate>2022-03-22 13:10:02 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2107467864</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2107472338</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/1635049214/b79425a4a8362d2df3aaac8ad234ac7d/Lasers.jpeg" />
         <pubDate>2022-03-22 13:12:06 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2107472338</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2107480828</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/1635049214/34dc5d349fd7f44fdb21b64170d9fd4b/7379336225_l.jpg" />
         <pubDate>2022-03-22 13:15:53 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2107480828</guid>
      </item>
      <item>
         <title>20202권이은</title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2109460470</link>
         <description><![CDATA[]]></description>
         <enclosure url="" />
         <pubDate>2022-03-23 11:05:29 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2109460470</guid>
      </item>
      <item>
         <title>&lt;원소조사&gt;헬륨</title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2109471173</link>
         <description><![CDATA[<div>원소기호|He<br>원자번호|2<br>헬륨은 무색과 무취의 단분자 기체이면서 주기율표의 마지막 족의 맨 위에 위치하며, 원소 중에서 끓는점이 가장 낮다. 우주에서 수소를 제외하면 원소중에 가장 가볍다. 우주에 있는 헬륨은 대모두 빅뱅으로부터 형성된 것이다. 새로 얻는 헬륨 대부분은 별에서 수소의 핵융합 시 발생한 것이다.</div>]]></description>
         <enclosure url="" />
         <pubDate>2022-03-23 11:13:23 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2109471173</guid>
      </item>
      <item>
         <title>&lt;원소 조사&gt;나이오븀</title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2109573505</link>
         <description><![CDATA[<div>원소 기호: Nb<br>원소 번호 :41번<br>원소 특징:거의 순수한 상태의 첫 나이오븀 샘플은 1864년에 만들어졌다. 원소 상태에서 나이오븀은 연한 은회색 전이금속이다. 나이오븀의 결정구조는 연성이 특히 좋아 작업하기에 편하다. 많은 전이금속과 마찬가지로 나이오븀도 강철의 제조 과정에서 소량 첨가된다. 많은 (5% 정도의) 나이오븀을 함유한 강철은 화학공업의 도가니나 제트엔진, 로켓엔진의 노즐, 단열재와 같은 특별한 용도로 사용되는 열에 강한 ‘슈퍼 합금’이다. 아폴로 달 탐사선의 주 노즐은 89%가 나이오븀이었다.</div><div>낮은 온도에서 나이오븀은 전기저항이 0인 초전도체가 된다. 이런 합금으로 만든 도선은 의료용 스캐너와 CERN의 대형 하드론 충돌가속기(LHC)를 비롯한 입자가속기의 핵심 부품인 초전도자석에 사용된다.<br><br></div><div><strong>[네이버 지식백과]</strong> <a href="https://terms.naver.com/entry.naver?docId=3566584">나이오븀</a> [Niobium] (사진으로 이해하는 원소의 모든 것, 2015. 11. 1., 잭 챌리너, 곽영직)<br><br></div>]]></description>
         <enclosure url="" />
         <pubDate>2022-03-23 12:23:16 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2109573505</guid>
      </item>
      <item>
         <title>3. 짧은 글 짓기</title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2109583869</link>
         <description><![CDATA[<div>도서관에&nbsp;책을 반납(Pb)하러 집을 나섰다. 길을 가다가 헬륨(He)이 들어있는 풍선이 날아가 울고 있는 아이도 보였고, 철(Fe)인(P) 3종 경기도 보았다.</div>]]></description>
         <enclosure url="" />
         <pubDate>2022-03-23 12:29:23 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2109583869</guid>
      </item>
      <item>
         <title>20203김서연</title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2109591995</link>
         <description><![CDATA[]]></description>
         <enclosure url="" />
         <pubDate>2022-03-23 12:33:57 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2109591995</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2109595604</link>
         <description><![CDATA[<div>원소기호:Li<br>원자번호:3<br>리튬은 가장 밀도가 낮은 고체 원소로 반응성이 강한 금속 중 하나다 리튬은 1817년 스웨덴의 25세 화학자 요한 아르프베드손이 발견했다 아르프베드손은 새로운 원소의 이름을 '돌'을 뜻하는 그리스어 리토스에서 따와 리튬이라고 불렀다 <br><br></div>]]></description>
         <enclosure url="" />
         <pubDate>2022-03-23 12:36:08 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2109595604</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2109596883</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/1377792144/3340133463cd630e791797e4080f40ee/20220323_213535.jpg" />
         <pubDate>2022-03-23 12:36:57 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2109596883</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2109597676</link>
         <description><![CDATA[]]></description>
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         <pubDate>2022-03-23 12:37:19 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2109597676</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2109598512</link>
         <description><![CDATA[]]></description>
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         <pubDate>2022-03-23 12:37:43 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2109598512</guid>
      </item>
      <item>
         <title>짧은 글 짓기</title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2109624332</link>
         <description><![CDATA[<div>드디어 오늘 Au(금) 같은 포토카드가 택배로 왔다. 잽싸게 포카를 집어 He(헬륨)같이 가볍게 튀었다. 포카를 P(인)[in안] 에서 꺼내보자 판매자에게 선물로 Hg(수은)을 주고 싶을만큼 포카가 Mn(망가니즈-어 있었다. 여러모로 Hs (하슘)[한숨]이 나오는 날이였다</div>]]></description>
         <enclosure url="" />
         <pubDate>2022-03-23 12:51:51 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2109624332</guid>
      </item>
      <item>
         <title>원소가 들어있는 물질</title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2109635525</link>
         <description><![CDATA[]]></description>
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         <pubDate>2022-03-23 12:57:47 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2109635525</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2109637006</link>
         <description><![CDATA[]]></description>
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         <pubDate>2022-03-23 12:58:32 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2109637006</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2109637569</link>
         <description><![CDATA[<div>극저온 냉각제</div>]]></description>
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         <pubDate>2022-03-23 12:58:52 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2109637569</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2109644954</link>
         <description><![CDATA[<div>학교가 끝나고 금(Au)같은 휴식시간을 가졌다 그러나 학원을 가야해서 기분이 구렸(구리 Cu)다 학원에 갈려니 몸이 납(pb)처럼 무거웠다 하지만 학원이 끝나고 나니 헬륨(He)처럼 몸이 가벼워져 얼른 집으로 달려갔다</div>]]></description>
         <enclosure url="" />
         <pubDate>2022-03-23 13:02:49 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2109644954</guid>
      </item>
      <item>
         <title>원소가 들어있는 물질</title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2109688370</link>
         <description><![CDATA[]]></description>
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         <pubDate>2022-03-23 13:22:53 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2109688370</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2109690435</link>
         <description><![CDATA[]]></description>
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         <pubDate>2022-03-23 13:23:52 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2109690435</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2109691465</link>
         <description><![CDATA[]]></description>
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         <pubDate>2022-03-23 13:24:21 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2109691465</guid>
      </item>
      <item>
         <title>20230이우규</title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2109765753</link>
         <description><![CDATA[]]></description>
         <enclosure url="" />
         <pubDate>2022-03-23 13:56:35 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2109765753</guid>
      </item>
      <item>
         <title>35번브로민(Br)</title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2109766641</link>
         <description><![CDATA[<div>주기율표 17족 <a href="https://namu.wiki/w/%EC%9B%90%EC%86%8C(%ED%99%94%ED%95%99)">원소</a>에 속하는 <a href="https://namu.wiki/w/%ED%95%A0%EB%A1%9C%EC%A0%A0%20%EC%9B%90%EC%86%8C">할로젠 원소</a>로 1825년 프랑스의 화학자 A. J. 발라르가 발견하였다<br><br>19-20세기 초반에는 브로민 화합물이 흥분성 정신병의 치료제나 진정제 등의 의약품으로 쓰인 적이 있었으나, 독성과 특유의 악취 때문에 현재는 거의 쓰이지 않는다.&nbsp;</div><div><br></div><div><br></div>]]></description>
         <enclosure url="" />
         <pubDate>2022-03-23 13:57:01 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2109766641</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2109776580</link>
         <description><![CDATA[]]></description>
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         <pubDate>2022-03-23 14:01:23 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2109776580</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2109857123</link>
         <description><![CDATA[<div>20235 허성빈</div>]]></description>
         <enclosure url="" />
         <pubDate>2022-03-23 14:36:03 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2109857123</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2109895452</link>
         <description><![CDATA[<div>마그네슘은 알칼리 토금속에 속하는 화학 원소로 기호는 Mg이고 원자 번호는 12이다.&nbsp;</div><div><br></div><div>마그네슘이 원소라는 것을 처음 알아낸 사람은 스코틀랜드의 화학자 조지프 블랙(Joseph Black)인데요. 그는 화상을 치료하는 중화제로 사용하던 마그네시아 알바(탄산마그네슘)를 가지고 실험하다가 1755년에 처음으로 마그네슘이 원소임을 발견했습니다.</div><div><br></div><div>실온에서 은백색의 가벼운 금속으로 존재한다. 반응성이 크고 2가 양이온이 되려는 경향이 있으므로 자연에서는 주로 마그네사이트, 백운암, 활석, 석면 등의 화합물의 형태로 발견된다</div><div><br></div><div>마그네슘은 은백색의 가벼운 금속이며 녹는점은 650°C, 끓는점은 1090°C이다. 밀도는 1.738 g/cm3이다. 결정 구조는 육방 밀집 구조이며, 연성과 전성이 있어 얇은 박 또는 철사 등으로 뽑을 수 있다.</div><div><br></div><div><strong>마그네슘</strong> 화합물은 주로 제산제나 완하제 등 의약품으로 많이 <strong>사용</strong>되며, 시멘트, 비료, 절연체 등의 생산에도<strong>사용</strong>된다. 산화 <strong>마그네슘</strong>(MgO)을 비롯한 여러 가지 <strong>마그네슘</strong> 화합물은 제철 및 비철 금속의 제련, 유리와시멘트의 제조에서 용광로의 내화(耐火) 물질로<strong> 사용된다</strong></div>]]></description>
         <enclosure url="" />
         <pubDate>2022-03-23 14:52:30 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2109895452</guid>
      </item>
      <item>
         <title>원소가 들어가 있는 물질</title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2109911946</link>
         <description><![CDATA[]]></description>
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         <pubDate>2022-03-23 14:59:56 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2109911946</guid>
      </item>
      <item>
         <title>원소가 들어가 있는 물질</title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2109912776</link>
         <description><![CDATA[<div>바나나</div>]]></description>
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         <pubDate>2022-03-23 15:00:19 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2109912776</guid>
      </item>
      <item>
         <title>원소가 들어가 있는 물질</title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2109915107</link>
         <description><![CDATA[<div>아몬드</div>]]></description>
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         <pubDate>2022-03-23 15:01:22 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2109915107</guid>
      </item>
      <item>
         <title>20225 서태준</title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2109944078</link>
         <description><![CDATA[]]></description>
         <enclosure url="" />
         <pubDate>2022-03-23 15:14:38 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2109944078</guid>
      </item>
      <item>
         <title>2,원소조사</title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2109944728</link>
         <description><![CDATA[<div>&nbsp;<br>원소기호 26번 철은 핵융합으로 생성되는 최종원소로 초신성 등의 격변적인 사건을 필요로 하지 않는 가장 무거운 원소이다. 또한 철은 인류에서 가장 많이 사용되는 원소중 하나로 차량, 항공기, 주택, 인공뼈대, 각종 생활용품 등 여러가지에 사용이 된다. 철은 지각에서 알루미늄 다음으로 흔한 금속원소이며 지구를 이루는 가장 중요한 원소로 지구의 중량을 약 37%나 차지한다.<br><br></div>]]></description>
         <enclosure url="" />
         <pubDate>2022-03-23 15:14:51 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2109944728</guid>
      </item>
      <item>
         <title>3,짧은 글 짓기</title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2109947855</link>
         <description><![CDATA[<div>오늘Ag(은) Au(금)요일이다! 나는 Au(금)요일에 내 개P(인)의 여가시간을 즐기며 보낸다.&nbsp;</div>]]></description>
         <enclosure url="" />
         <pubDate>2022-03-23 15:16:19 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2109947855</guid>
      </item>
      <item>
         <title>4, 원소가 들어있는 물질 </title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2109948949</link>
         <description><![CDATA[]]></description>
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         <pubDate>2022-03-23 15:16:51 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2109948949</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2109954475</link>
         <description><![CDATA[]]></description>
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         <pubDate>2022-03-23 15:19:21 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2109954475</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2109955521</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/1342049228/e04270ace36440fce82da9ed4fa7f506/image.png" />
         <pubDate>2022-03-23 15:19:52 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2109955521</guid>
      </item>
      <item>
         <title>20233 장현성</title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111375587</link>
         <description><![CDATA[]]></description>
         <enclosure url="" />
         <pubDate>2022-03-24 08:13:49 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111375587</guid>
      </item>
      <item>
         <title>탄소</title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111375888</link>
         <description><![CDATA[<div>탄소는 우주에서 <a href="https://m.terms.naver.com/entry.naver?docId=5663136&amp;ref=y">수소</a>, <a href="https://m.terms.naver.com/entry.naver?docId=5707652&amp;ref=y">헬륨</a>, <a href="https://m.terms.naver.com/entry.naver?docId=5707613&amp;ref=y">산소</a> 다음인 네 번째로 많은 질량을 차지하고 있으며, 지각에서는 15번째로 풍부한 <a href="https://m.terms.naver.com/entry.naver?docId=5827456&amp;ref=y">원소</a>이다. 또한 탄소는 모든 생명체를 이루는 기본 구성 요소로, 우리 인체의 무게를 분석했을 때 산소 다음으로 많은 약 18%의 질량을 차지하고 있다. 그 외에도 탄소는 대기 중에 이산화 탄소 형태로 존재하며, 금속 염의 형태로 지각에 존재하기도 한다. 생명체 외의 <a href="https://m.terms.naver.com/entry.naver?docId=5827811&amp;ref=y">물질</a> 중 <a href="https://m.terms.naver.com/entry.naver?docId=5663138&amp;ref=y">고분자나</a> 화석 연료 등에도 포함되어있기 때문에 우리의 주변과 삶을 구성하는 기본 원소라고 할 수 있다.</div>]]></description>
         <enclosure url="" />
         <pubDate>2022-03-24 08:14:04 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111375888</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111377312</link>
         <description><![CDATA[]]></description>
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         <pubDate>2022-03-24 08:14:55 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111377312</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111377571</link>
         <description><![CDATA[]]></description>
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         <pubDate>2022-03-24 08:15:06 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111377571</guid>
      </item>
      <item>
         <title>짧은 글짓기</title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111384505</link>
         <description><![CDATA[<div>철수는&nbsp;탄소C로 이루어진 다이아몬드 팔찌를 끼고 비소가 들어간 전자 담배를 피면서 길을 걷던중 다이아몬드 팔찌를 소가 먹어버렸다. 그런데 그 소가 말을 하면서 '그 비소로 이루어진 담배 나도 한갑주쇼'라고 하자 철수는 자신의 다이아몬드 팔찌를 빼앗아간것도 모자라 이 담배를 달라고? 하는 심정으로 화가나 금Au으로된 라이터로 소의 외양간에 불을 붙였다. 그러자 소는 자신의 집이 타는것을 보고 놀라 외영간으로 들어갔다. 그러자 소도 같이 타기시작했고 철수는 그것을 보고 탄 소 라고했다. 그래서 이것을 계기로 철수는 다이아몬드의 구성 원소를 탄소라고 이른지었다</div>]]></description>
         <enclosure url="" />
         <pubDate>2022-03-24 08:19:41 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111384505</guid>
      </item>
      <item>
         <title>1. 20234 최명준</title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111517445</link>
         <description><![CDATA[]]></description>
         <enclosure url="" />
         <pubDate>2022-03-24 09:54:57 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111517445</guid>
      </item>
      <item>
         <title>2. 원소 조사</title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111518235</link>
         <description><![CDATA[<div>원소 기호: Al<br>원소 번호: 13<br>원소 특징: 은백색의 무른 금속으로 지각 구성 원소로 8%를 차지한다. 밀도가 낮은 금속에 속하며 순수한 알루미늄은 반응성이 매우 좋다. 가볍고 연성이 높아 공정이 쉬우며 다양한 금속들과 합금을 형성한다. 우리 주변 여러 제품에 쓰인다.</div>]]></description>
         <enclosure url="" />
         <pubDate>2022-03-24 09:55:32 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111518235</guid>
      </item>
      <item>
         <title>3. 짧은 글 짓기</title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111527925</link>
         <description><![CDATA[<div>내 인(P)생에서 가장 재밌는 일은 금(Au)요일에 밤 늦게까지 티비를 보는 것이다. 그런 날 보고 엄마는 철(Fe) 좀 들라 하신다.</div>]]></description>
         <enclosure url="" />
         <pubDate>2022-03-24 10:02:13 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111527925</guid>
      </item>
      <item>
         <title>원소가 들어간 물질 사진</title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111528495</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/1635049478/98646094e82916245027d22e338b493f/1.PNG" />
         <pubDate>2022-03-24 10:02:39 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111528495</guid>
      </item>
      <item>
         <title>4. 원소가 들어가 있는 물질</title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111541182</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/613822030/f60859aaa01874d7766707fc42848456/BC501470_4FE6_4231_A239_0071E1E4C2AE.jpeg" />
         <pubDate>2022-03-24 10:11:35 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111541182</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111544906</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/613822030/7e4d6bfb85d94e04e411c29e4dd568e0/F11BCE9C_45EC_402F_A30D_F46DE5D3A7AD.jpeg" />
         <pubDate>2022-03-24 10:14:13 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111544906</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111545253</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/613822030/cdeb131ebcd0f8445fc657a85d25bacd/5D24B058_3BD9_4E8E_9CA4_0C992CFD97F6.jpeg" />
         <pubDate>2022-03-24 10:14:25 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111545253</guid>
      </item>
      <item>
         <title>3.짧은글짓기</title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111587010</link>
         <description><![CDATA[<div>나는 친구들과 롯데월드에갔다.제일먼저 내가 좋아하는 귀신의집에 갔다.내친구는 겁이 많던지라 귀신을 보자마자 오(O)!!하고 소리를 질렀다</div>]]></description>
         <enclosure url="" />
         <pubDate>2022-03-24 10:44:59 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111587010</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111616286</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/1635064056/f00c3ea779b4fe03634eec33b68865a9/20220324_200621.jpg" />
         <pubDate>2022-03-24 11:07:18 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111616286</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111617099</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/1635064056/52b45364465dc30f8212f172843bde38/20220324_200552.jpg" />
         <pubDate>2022-03-24 11:07:58 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111617099</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111617519</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/1635064056/329de12e7d56e5a09504110ee85ef902/20220324_200516.jpg" />
         <pubDate>2022-03-24 11:08:16 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111617519</guid>
      </item>
      <item>
         <title>20217 조은빈</title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111627191</link>
         <description><![CDATA[]]></description>
         <enclosure url="" />
         <pubDate>2022-03-24 11:15:40 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111627191</guid>
      </item>
      <item>
         <title>원소가 들어간 글 쓰기</title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111639666</link>
         <description><![CDATA[<div>오늘 <strong>나(Na)</strong>는 학교에서 <strong>황(S)</strong>을 연소하는 실험을 하였다.</div><div><strong>황(S)</strong>을 연소할 때는 유독성 기체가 나오기에 운동장에서 모두 보건용 마스크를 쓰고,</div><div>관찰하였는데, <strong>구리구리(Cu)</strong>한 냄새가 났다.</div><div>날이 어두워서 푸른 불꽃이 더욱 잘 보였다.</div>]]></description>
         <enclosure url="" />
         <pubDate>2022-03-24 11:24:58 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111639666</guid>
      </item>
      <item>
         <title>짧은 글 짓기</title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111644045</link>
         <description><![CDATA[<div>오늘은 기분 좋은 Au(금) 요일이다<br>오랜만에 공원에서 자전거를 타고 있는데 멀리서&nbsp;<br>Ag(은) 색 He(헬륨) 풍선을 파는 피에로가 보였다 가까이 가서 He(헬륨) 풍선을 받았는데 피에로한테서  Cu(구리) Cu(구리) 한 냄새가 나는 거 같다.</div>]]></description>
         <enclosure url="" />
         <pubDate>2022-03-24 11:27:33 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111644045</guid>
      </item>
      <item>
         <title>원소 조사</title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111647967</link>
         <description><![CDATA[<div>원소 기호: Cl<br>원소 번호: 17번<br>원소 특징:&nbsp; 염소는 공기보다 무겁고, 자극이 강하며 냄새가 나고 황록색을 띠는 기체 원소입니다. 자연 상태에서는 화합물로 존재하는데요. 대표적인 염소 화합물이 바로 염화소듐 ‘소금(NaCl)’입니다. 염소는 우리 몸에 염분을 맞추어 인체 기능을 유지해줍니다. 꼭 필요한 성분이지만 농도가 높아지면 위험한 독성 물질이 되기도 합니다. 염소는 동전의 양면처럼 장단점을 분명하게 가진 원소입니다.&nbsp;</div>]]></description>
         <enclosure url="" />
         <pubDate>2022-03-24 11:30:27 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111647967</guid>
      </item>
      <item>
         <title>짧은 글 짓기</title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111666940</link>
         <description><![CDATA[<div>오늘은(Ag) 3반 인(P)소원이 나(Na)의 원소기호 염소(Cl)을 보고 비웃었다 그래서 나는 우라(U)질이 났다 이런 규소(Si) 붕소(B) 알루미늄(Al) 같은 놈! </div>]]></description>
         <enclosure url="" />
         <pubDate>2022-03-24 11:44:00 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111666940</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111671556</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/1641196572/2217f22053b72c1fa2d9ce8fd4cfca77/A6581A3C_C986_49F1_A3E1_3FB8B8E14DE9.jpeg" />
         <pubDate>2022-03-24 11:47:10 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111671556</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111672713</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/1641196572/68da205c04431ae0d8ebc7753f1061c7/2B3D8840_A94A_41E2_AD64_03260B2E58C8.jpeg" />
         <pubDate>2022-03-24 11:48:00 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111672713</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111674728</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/1641196572/ee1bdbb904cddf3b224f3ffa93ea7f68/7F1F30E8_DD9B_4EDE_9ED1_39173495D004.webp" />
         <pubDate>2022-03-24 11:49:22 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111674728</guid>
      </item>
      <item>
         <title>1.20221 권준</title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111675310</link>
         <description><![CDATA[]]></description>
         <enclosure url="" />
         <pubDate>2022-03-24 11:49:43 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111675310</guid>
      </item>
      <item>
         <title>20211 양시은</title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111699941</link>
         <description><![CDATA[]]></description>
         <enclosure url="" />
         <pubDate>2022-03-24 12:02:00 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111699941</guid>
      </item>
      <item>
         <title>&lt;원소 조사&gt; 금</title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111710685</link>
         <description><![CDATA[<div>원소 기호:Au&nbsp;<br>원자 번호:79<br>원소 특징:&nbsp;높은 밀도의 무른 노란색 귀금속. 금속 원소 중 연성과 전성이 가장 크다.</div>]]></description>
         <enclosure url="" />
         <pubDate>2022-03-24 12:09:58 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111710685</guid>
      </item>
      <item>
         <title>짧은 글짓기</title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111722777</link>
         <description><![CDATA[<div>오늘도 역시 주헌이의 얼굴에선 빛이 났다.<br>그 얼굴을 보고있자니 입에서 어우C(탄소) , 오~O(산소) 와 같은 감탄사들이 절로 나왔다.그래 이게 Na La(나트륨,란타넘)지.<br>주헌아 난 너만 있어도 살 수 있다.<br><br></div>]]></description>
         <enclosure url="" />
         <pubDate>2022-03-24 12:17:43 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111722777</guid>
      </item>
      <item>
         <title>원소가 들어있는 물질</title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111741036</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/1635048715/d30f7ed1633182b6dc3c1c3dfd5eb6d6/_______8.jpg" />
         <pubDate>2022-03-24 12:29:04 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111741036</guid>
      </item>
      <item>
         <title>20218 공태민</title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111741991</link>
         <description><![CDATA[]]></description>
         <enclosure url="" />
         <pubDate>2022-03-24 12:29:41 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111741991</guid>
      </item>
      <item>
         <title>.</title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111742152</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/1635048715/a1a6522c44aa327ebfc4db96bf345047/_______7.jpg" />
         <pubDate>2022-03-24 12:29:49 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111742152</guid>
      </item>
      <item>
         <title>2.&lt;원소 조사&gt; 스칸듐</title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111742734</link>
         <description><![CDATA[<div>원소 기호:Sc<br>원소 번호:21<br>원소 특징:스칸듐은 주로 희토류나&nbsp;우라늄&nbsp;화합물에 포함되어 있으며 세계적으로 몇몇 광산에서 이러한 광물로부터 추출된다. 스칸듐은 널리 쓰이지 않고, 순수한&nbsp;금속&nbsp;형태로 존재하기 때문에 얻기가 어려워 1937년에서야 최초로 분리되었다. 실용적인 용도로 쓰이기 시작한 것은 1970년대 이후이며, 알루미늄에 스칸듐을 첨가한 합금의 강도가 증가하는 현상이 발견된 이후 합금을 제조하는 데 주로 이용되고 있다.</div>]]></description>
         <enclosure url="" />
         <pubDate>2022-03-24 12:30:10 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111742734</guid>
      </item>
      <item>
         <title>.</title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111742875</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/1635048715/2c20ec81688873356b93a7acf41ee29c/_______4.jpg" />
         <pubDate>2022-03-24 12:30:15 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111742875</guid>
      </item>
      <item>
         <title>원소 조사-타이타늄</title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111747365</link>
         <description><![CDATA[<div>원소 기호: Ti<br>원자 번호: 22<br>원소 특징: 타이타늄(티타늄)은 지각에 아홉 번째로 많이 함유된 원소이고, 금속 중에서는 네 번째로 많으며 화성암이나 화성암으로 이루어진 모래에 많다. 티타늄은 내식성(부식이나 침식을 잘 견디는 성질)과 강도 그리고 연성을 가지고 있어 인공 힙 조인트, 인공 심장, 심장박동 조절기와 같은 의학적 용도로 사용하기에 이상적이다. 또한티타늄과 티타늄 합금은 골프 클럽, 보석, 테니스 라켓, 시곗줄, 자동차 휠과 같은 소비재의 재료로도 사용된다.</div>]]></description>
         <enclosure url="" />
         <pubDate>2022-03-24 12:33:00 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111747365</guid>
      </item>
      <item>
         <title>20228 윤서준</title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111752012</link>
         <description><![CDATA[]]></description>
         <enclosure url="" />
         <pubDate>2022-03-24 12:35:53 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111752012</guid>
      </item>
      <item>
         <title>3.짧은 글 짓기</title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111772816</link>
         <description><![CDATA[<div>오늘은 금(Au)요일이라서 Na(나트륨)는 오늘 헬륨(He) 풍선을 사고 집으로 갔다.</div>]]></description>
         <enclosure url="" />
         <pubDate>2022-03-24 12:47:52 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111772816</guid>
      </item>
      <item>
         <title>원소 조사 질소 7번 N</title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111782964</link>
         <description><![CDATA[<div>질소는 공기 중에 가장 많이 포함되어 있는 기체로 공기 부피의 78%를 차지하고 있어요. 색깔도 냄새도 맛도 없는 기체 원소입니다. 또한 공기보다 가볍고 물에 잘 녹지 않는다.<br>질소는 다른 물질과 잘 반응하지 않는 성질이 있어요. 이 성질을 이용해서 전구 속에 질소를 넣어 필라멘트를 보호하는 것이다.<br><br>각종 질소 화합물은 여러 용도로 이용되고 있다. 충격이나 약품에 강한 물질을 만드는 데 쓰이거나 식물의 비료로 사용되고 있어요. 액체 질소는 과학 실험용, 공업용, 의료용 등의 냉각제로서 사용되고 있어요. 온도에서는 여러 물질과 화합하여 암모니아, 산화질소 등을 만든다.<br>자연 속의 질소는 동물, 식물의 몸을 통하여 순환하고 있다.</div>]]></description>
         <enclosure url="" />
         <pubDate>2022-03-24 12:53:48 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111782964</guid>
      </item>
      <item>
         <title>글짓기</title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111789321</link>
         <description><![CDATA[<div>헬륨(He)풍선을 샀는데 손을 놓쳐 날라가 버려 기분이 구리(Cu)다.&nbsp;</div>]]></description>
         <enclosure url="" />
         <pubDate>2022-03-24 12:57:18 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111789321</guid>
      </item>
      <item>
         <title>20219구준혁</title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111789656</link>
         <description><![CDATA[<div>원소 기호:Au<br>원소번호:79<br>원소특징:금은고대로부터 사람들이 가장 귀하게 여기고, 좋아하는 원소이다. 거의 천년 이상 동안 사람들은 <a href="https://search.naver.com/search.naver?sm=ncc_clk.top&amp;where=kdic&amp;ie=utf8&amp;query=%EC%97%B0%EA%B8%88%EC%88%A0&amp;x=0&amp;y=0">연금술</a>을 써서 금을 인공적으로 만들고 소유하려고 하였다.<br>짤은 글 짓기:아 내일은Au(금)요일이다 너무 좋다 내일은 뭐하지?<br><br></div>]]></description>
         <enclosure url="" />
         <pubDate>2022-03-24 12:57:30 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111789656</guid>
      </item>
      <item>
         <title>20227 안진호</title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111791524</link>
         <description><![CDATA[]]></description>
         <enclosure url="" />
         <pubDate>2022-03-24 12:58:26 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111791524</guid>
      </item>
      <item>
         <title>원소조사 철 25번 Fe</title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111791856</link>
         <description><![CDATA[<div>은회색 광택을 내는 전이 금속인 철은 지구의 핵을 구성하는 주요 성분이며 지각에서 <a href="https://terms.naver.com/entry.naver?docId=5707613&amp;ref=y">산소</a>, <a href="https://terms.naver.com/entry.naver?docId=5707631&amp;ref=y">규소</a>, <a href="https://terms.naver.com/entry.naver?docId=5662846&amp;ref=y">알루미늄</a> 다음으로 많이 존재한다. <a href="https://terms.naver.com/entry.naver?docId=5827459&amp;ref=y">핵융합</a>의 최종 원소로서 철은 지각에 풍부하여, 인류 문명 역사에서 녹는점이 낮은 청동이 먼저 사용되었지만, 철 역시 고대 시대부터 쓰였다. 자연 상태에서 철은 주로 <a href="https://terms.naver.com/entry.naver?docId=5827818&amp;ref=y">산화물</a> 형태로 철광석에 존재하며, <a href="https://terms.naver.com/entry.naver?docId=5827456&amp;ref=y">원소</a> 상태에서는 대기 중의 산소나 물과 반응하여 일반적으로 ‘녹(rust)’으로 알려진 적갈색의 수화된 산화물로 바뀐다. 철은 화합물에서 주로 +2와 +3의 <a href="https://terms.naver.com/entry.naver?docId=5707615&amp;ref=y">산화</a> 상태를 갖지만, 같은 8족의 <a href="https://terms.naver.com/entry.naver?docId=5662878&amp;ref=y">루테늄</a>과 <a href="https://terms.naver.com/entry.naver?docId=5663188&amp;ref=y">오스뮴</a> 원소처럼 -2부터 +6까지 다양한 상태로도 존재한다. 순수한 철은 알루미늄보다도 무르나, 제련 과정에서 탄소를 첨가하면 매우 단단하고 강한 강철이 된다. 철은 선박, 철도, 자동차를 비롯하여 건물, 도로, 다리와 같은 건축물과 대부분의 기계류나 도구를 만드는데 필요한 인류가 가장 많이 사용하고 있는 금속이다. 또한, 철은 거의 모든 생명체에 필수적인 원소이며 호흡과 산화-환원 반응에 관여한다.</div>]]></description>
         <enclosure url="" />
         <pubDate>2022-03-24 12:58:38 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111791856</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111791899</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://i.pinimg.com/originals/38/4c/08/384c08437a4b55e226bae7922431251d.jpg" />
         <pubDate>2022-03-24 12:58:39 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111791899</guid>
      </item>
      <item>
         <title>글짓기</title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111796610</link>
         <description><![CDATA[<div>나는&nbsp;오늘 학교와 학원을 다녀오면서 힘을 철(Fe)철(Fe) 사용하여 힘이 없다</div>]]></description>
         <enclosure url="" />
         <pubDate>2022-03-24 13:01:06 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111796610</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111797547</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/1636712851/5b8e5c962a65ad335f634684fa62ba3d/image.png" />
         <pubDate>2022-03-24 13:01:36 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111797547</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111798139</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/1636712851/bfe2d06bacfa9b359a991105c5654b29/image.png" />
         <pubDate>2022-03-24 13:01:58 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111798139</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111798613</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/1636712851/b45bc3d8f6299a4928d98097552d29d2/image.png" />
         <pubDate>2022-03-24 13:02:09 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111798613</guid>
      </item>
      <item>
         <title>4.원소가 들어가는 물질</title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111811559</link>
         <description><![CDATA[]]></description>
         <enclosure url="http://sports-lighting.co.kr/wp-content/uploads/paju_baseball_stadium_floodlight_09-2.jpg" />
         <pubDate>2022-03-24 13:08:30 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111811559</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111813391</link>
         <description><![CDATA[]]></description>
         <enclosure url="http://shop2.mjsoft.co/2/mjshop_yagumall/data/editor/1910/573d44fb8563b7a3b21dcbab826eadab_1570254060_6575.jpg" />
         <pubDate>2022-03-24 13:09:16 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111813391</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111814485</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://irrorwxhoilrmk5p.ldycdn.com/cloud/qjBpiKrpRmiSprpmlplpl/Scandium-arc-cast-Sc-Pellets.jpg" />
         <pubDate>2022-03-24 13:09:50 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111814485</guid>
      </item>
      <item>
         <title>20226 안상형</title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111848813</link>
         <description><![CDATA[]]></description>
         <enclosure url="" />
         <pubDate>2022-03-24 13:26:37 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111848813</guid>
      </item>
      <item>
         <title>20209 박지효</title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111850409</link>
         <description><![CDATA[]]></description>
         <enclosure url="" />
         <pubDate>2022-03-24 13:27:25 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111850409</guid>
      </item>
      <item>
         <title>&lt;원소조사&gt; 플루오린</title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111853522</link>
         <description><![CDATA[<div><strong><br></strong><br></div><div>원소 기호: F<br>원자 번호: 9<br>원소 특징: 플루오린은 전기음성도가 3.98이며&nbsp;<br>가장 강하게 전자를 잡아당기는&nbsp;<br>성질을 가지고 있다.<br>플루오린은 충치를 예방하는&nbsp;<br>치약부터 주방용품의 코팅,&nbsp;<br>고어텍스 섬유, 에어컨이나&nbsp;<br>냉장고의 냉매제인 프레온 기체 등&nbsp;<br>다양한 용도로 사용되고 있다.</div>]]></description>
         <enclosure url="" />
         <pubDate>2022-03-24 13:28:58 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111853522</guid>
      </item>
      <item>
         <title>&lt;원소 조사&gt; 탄소</title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111861608</link>
         <description><![CDATA[<div>원소 기호:C&nbsp;<br>원소 번호:6<br>수소,산소 또는 질소 등과 공유결합을 안정적으로 쉽게 형성 할 수 있어 생체분자의 기본요소로 사용되며 석탄과 석유의 주성분이다.<br>동소체로 비결정성 탄소,결정성인 흑연, 다이아몬드가 있다.</div>]]></description>
         <enclosure url="" />
         <pubDate>2022-03-24 13:32:50 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111861608</guid>
      </item>
      <item>
         <title>글짓기</title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111871233</link>
         <description><![CDATA[<div>나는 오늘 He(헬륨)풍선을샀다.<br>나는 궁금해서 마셔봤는데 기분이 CuCu(구리구리)했다.</div>]]></description>
         <enclosure url="" />
         <pubDate>2022-03-24 13:37:23 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111871233</guid>
      </item>
      <item>
         <title>3. 짧은 글 짓기</title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111874349</link>
         <description><![CDATA[<div>오! O(산소)&nbsp;<br>Au(금)을 발견했다<br>그 옆에 Ag(은)도 있었다<br>나는 금,은 을 가져가서 자동차를 타고<br>붕붕 B(붕소) 달렸다<br><br><br><br></div>]]></description>
         <enclosure url="" />
         <pubDate>2022-03-24 13:38:50 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111874349</guid>
      </item>
      <item>
         <title>20229윤재원</title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111876086</link>
         <description><![CDATA[]]></description>
         <enclosure url="" />
         <pubDate>2022-03-24 13:39:40 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111876086</guid>
      </item>
      <item>
         <title>원소조사구리29번Cu</title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111876799</link>
         <description><![CDATA[<div><strong>구리는 </strong><a href="https://ko.m.wikipedia.org/wiki/%ED%99%94%ED%95%99_%EC%9B%90%EC%86%8C">화학 원소</a>로 기호는 <strong>Cu</strong> <a href="https://ko.m.wikipedia.org/wiki/%EC%9B%90%EC%9E%90_%EB%B2%88%ED%98%B8">원자 번호</a>는 29이다. 구리는 부드러운 금속으로 열 전도성과 전기 전도성이 매우 높다. 공기에 접촉하기 전 구리 표면은 분홍빛을 띠는 주황빛을 나타낸다. 구리는 열이나 전기를 전달하기 위한 매개체로서 주로 사용되며 그 외에도 건축 자재나 다양한 합금의 원료로 사용된다. 구리는 비교적 반응성이 낮아 자연에 존재하는 금속 원소 중 제련 없이 바로 사용 가능한 순수한 형태로 존재하는 흔치 않은 금속 중 하나이다.</div>]]></description>
         <enclosure url="" />
         <pubDate>2022-03-24 13:40:00 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111876799</guid>
      </item>
      <item>
         <title>원소가 들어있는 물질</title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111878052</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://image.chosun.com/sitedata/image/201605/10/2016051002002_0.jpg" />
         <pubDate>2022-03-24 13:40:35 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111878052</guid>
      </item>
      <item>
         <title>짧은 글 짓기</title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111879606</link>
         <description><![CDATA[<div>선생님이 "이 문제 어떻게 푸는지 Al(알루미늄)Ge(저마늄)Ni(니켈)?" 라고 I(아이오딘)들에게 묻자 I(아이오딘)들은 선생님께 "Ne(네온)!"라고 대답했다.</div>]]></description>
         <enclosure url="" />
         <pubDate>2022-03-24 13:41:19 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111879606</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111881257</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://img1.daumcdn.net/thumb/R658x0.q70/?fname=https://t1.daumcdn.net/news/201911/26/dongascience/20191126182019689yvmr.jpg" />
         <pubDate>2022-03-24 13:42:04 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111881257</guid>
      </item>
      <item>
         <title>글짓기</title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111884294</link>
         <description><![CDATA[<div>금요일은 기분이 금처럼 좋지만 학원을 가야해서<br>기분이 구리구리해졌다.</div>]]></description>
         <enclosure url="" />
         <pubDate>2022-03-24 13:43:30 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111884294</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111884474</link>
         <description><![CDATA[]]></description>
         <enclosure url="http://image.chosun.com/sitedata/image/201812/22/2018122200600_0.jpg" />
         <pubDate>2022-03-24 13:43:35 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111884474</guid>
      </item>
      <item>
         <title>1. 20208박지아</title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111886048</link>
         <description><![CDATA[]]></description>
         <enclosure url="" />
         <pubDate>2022-03-24 13:44:18 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111886048</guid>
      </item>
      <item>
         <title>2. &lt;원소조사&gt; 산소</title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111887664</link>
         <description><![CDATA[]]></description>
         <enclosure url="" />
         <pubDate>2022-03-24 13:45:05 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111887664</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111889258</link>
         <description><![CDATA[<div>원소 기호: O<br>원소 번호: 8<br>원소 특징: 우리가 살면서 가장 필요한 원소. 즉 숨을 쉴 때 없어서는 안 될 요소이다.지각에서 가장 풍부한 원소이며 우주에서 수소와 헬륨 다음으로 많이 차지하고 있는 원소로 산소는 무색, 무미, 무취의 기체이다. 또 산소에는 다른 물질을 산화시키는 능력이 있다.또한 다양한 원자 및 분자와 반응하는 산화제로 반응이 매우 격렬하고 활성도가 높다.그리고 원소와 반응하면 산화물을 생성한다.이러한성질 때문에 산소는 화학공업에서 가장 저렴한 산화제로 사용되고 있다</div>]]></description>
         <enclosure url="" />
         <pubDate>2022-03-24 13:45:51 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111889258</guid>
      </item>
      <item>
         <title>4. 원소가 들어있는 물질 사진 3개</title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111890873</link>
         <description><![CDATA[<div>치약</div>]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/1641357651/bce376586d07bdd7ac3f9662192bef54/E0035B87_99C2_40AB_A64C_A58BC0C85714.jpeg" />
         <pubDate>2022-03-24 13:46:30 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111890873</guid>
      </item>
      <item>
         <title>20222 김도현</title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111891932</link>
         <description><![CDATA[]]></description>
         <enclosure url="" />
         <pubDate>2022-03-24 13:47:00 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111891932</guid>
      </item>
      <item>
         <title>20232 이현승</title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111893066</link>
         <description><![CDATA[]]></description>
         <enclosure url="" />
         <pubDate>2022-03-24 13:47:31 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111893066</guid>
      </item>
      <item>
         <title>79 금</title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111899762</link>
         <description><![CDATA[<div><strong>금</strong>은 원자번호 79번의 원소로, 원소기호는 Au이다.  구리, 은, 금을 통틀어 구리족 원소라 하기도 하고 또 <a href="https://search.naver.com/search.naver?sm=ncc_clk.top&amp;where=kdic&amp;ie=utf8&amp;query=%ED%99%94%ED%8F%90+%EA%B8%88%EC%86%8D&amp;x=0&amp;y=0">화폐 금속</a>(coinage metal)이라고도 부르는데, 이들은 고대부터 자연에서 원소상태로 채취한 금속으로, 금화가 사용되기 전부터 화폐로 사용되었다.&nbsp;</div>]]></description>
         <enclosure url="" />
         <pubDate>2022-03-24 13:50:29 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111899762</guid>
      </item>
      <item>
         <title>글짓기 </title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111903654</link>
         <description><![CDATA[<div>나는 금(Au)요일에 금(Au)을 샀다! $$$<br>기분이 구리(Cu)다.</div>]]></description>
         <enclosure url="" />
         <pubDate>2022-03-24 13:52:18 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111903654</guid>
      </item>
      <item>
         <title>&lt;원소 조사&gt; 철</title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111906603</link>
         <description><![CDATA[<div>원소 기호:Fe<br>원소 번호:26<br>원소 특징:<a href="https://namu.wiki/w/%EA%B5%AC%EB%A6%AC(%EC%9B%90%EC%86%8C)">구리</a>보다 흔하고 단단하지만 산화 서열(<a href="https://namu.wiki/w/%EC%9D%B4%EC%98%A8%ED%99%94%20%EA%B2%BD%ED%96%A5">이온화 경향</a>)은 높고, 녹는점도 약 1538℃ 정도로 높기 때문에 제련법이 좀 까다로워 구리보다 늦게 사용된 <a href="https://namu.wiki/w/%EA%B8%88%EC%86%8D">금속</a>이다. 다만 제련기술이 발달한 현재는, 지각에 4번째로 많은 원소이며 강도, 가공성 등이 그런대로 괜찮아 온갖 도구를 만들 수 있다.<br>이 때문에 모든 산업용 금속 중에서 가장 뛰어난 <a href="https://namu.wiki/w/%EA%B0%80%EA%B2%A9%20%EB%8C%80%EB%B9%84%20%EC%84%B1%EB%8A%A5%EB%B9%84">가격 대비 성능비</a>를 자랑한다. 과학 기술의 발달로 각종 신소재가 등장함에도 불구하고, 무게 때문에 철을 적극적으로 사용하지 못하는 항공우주사업을 제외하면, 1만 년에 가까운 세월 동안 철을 완전히 대체할 수 있는 소재를 찾지 못한 것도 이 저렴한 가격과 튼튼함 때문이다.<br>다른 금속들과 비교할 때 압도적으로 자력에 예민하게 반응하는 강자성체 금속으로도 유명하다. 애초에 강자성(<a href="https://namu.wiki/w/%E5%BC%BA">强</a><a href="https://namu.wiki/w/%EC%9E%90%EC%84%B1">磁性</a>)의 영어 표현은 <a href="https://namu.wiki/w/%EC%B2%A0(%EC%9B%90%EC%86%8C)"><strong>ferro</strong></a><a href="https://namu.wiki/w/%EC%9E%90%EC%84%B1">magnetism</a>이다.<br><br></div>]]></description>
         <enclosure url="" />
         <pubDate>2022-03-24 13:53:37 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111906603</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111908768</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/1635071920/0c7569120fb9a34efcd4ca038d2bb755/FFF8BD8B_1946_4D3C_8A0A_CE5D4AEBE6C1.jpeg" />
         <pubDate>2022-03-24 13:54:40 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111908768</guid>
      </item>
      <item>
         <title>3. 짧은 글 짓기</title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111911220</link>
         <description><![CDATA[<div>내일은(Ag) 내가 가장좋아하는 요일 금(Au)요일이다! 그래서 헬륨(He)처럼 가볍게 집에 와서 배가고파 감자튀김을 먹었는데 너무 짰다 자세히 보니 감자튀김 겉에 나트륨(Na)이 많이 묻어있었다.갑자기 기분이 구리구리(Cu)해졌다.봄 제철(Fe)과일인 딸기을 먹었더니 기분이 괜찮아졌다&nbsp;</div>]]></description>
         <enclosure url="" />
         <pubDate>2022-03-24 13:55:44 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111911220</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111924226</link>
         <description><![CDATA[<div>프라이팬 코팅질</div>]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/1641357651/a35561468869b18e5b409ae149038206/32EF629D_BDD6_44AA_86E1_4684DA974B21.jpeg" />
         <pubDate>2022-03-24 14:01:24 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111924226</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111934311</link>
         <description><![CDATA[<div>섬유</div>]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/1641357651/157d29c58d94d35da38a21906ad1aca6/CF04888B_A157_4CE2_941B_CFE6EDD153DC.jpeg" />
         <pubDate>2022-03-24 14:06:10 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111934311</guid>
      </item>
      <item>
         <title>글 짓기</title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111937081</link>
         <description><![CDATA[<div>Na(나트륨)는 Au(금)요일에 새로이를 간다.<br>너무 싫다. 하지만 막상 가보면 K K K(칼륨)하면서 재밌어 한다.</div>]]></description>
         <enclosure url="" />
         <pubDate>2022-03-24 14:07:32 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111937081</guid>
      </item>
      <item>
         <title>원소가 포함된 물질</title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111941625</link>
         <description><![CDATA[<div>자동차&nbsp;휠</div>]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/657864020/2b6782b4e63cda5fae9f7bddc030e525/20200304144222_hzIoiAx4.jpg" />
         <pubDate>2022-03-24 14:09:39 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111941625</guid>
      </item>
      <item>
         <title>원소가 포함된 물질</title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111945524</link>
         <description><![CDATA[<div>혈액</div>]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/1070175696/81f245a3a25dfc015e11f9c83a62b44d/image.png" />
         <pubDate>2022-03-24 14:11:24 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111945524</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111948756</link>
         <description><![CDATA[<div>골프&nbsp;클럽</div>]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/657864020/ee99dfe44c895ec5f43865ce23dfa393/______2022_03_24_231226.png" />
         <pubDate>2022-03-24 14:12:47 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111948756</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111950047</link>
         <description><![CDATA[<div>칼</div>]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/1070175696/d5b676f9a66dc0f9f038a56ba54ec70f/image.png" />
         <pubDate>2022-03-24 14:13:21 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111950047</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111956327</link>
         <description><![CDATA[<div>테니스&nbsp;라켓</div>]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/657864020/24575e8b93c8cdecede4dbbc8d54a819/______2022_03_24_231546.png" />
         <pubDate>2022-03-24 14:16:03 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111956327</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111960288</link>
         <description><![CDATA[<div>자동차</div>]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/1070175696/03c27f29f878a770b518ea77e1f3a378/image.png" />
         <pubDate>2022-03-24 14:17:50 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111960288</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111961398</link>
         <description><![CDATA[<div>20220 권민수</div>]]></description>
         <enclosure url="" />
         <pubDate>2022-03-24 14:18:21 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111961398</guid>
      </item>
      <item>
         <title>4.원소가 들어있는 물질 3개</title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111966210</link>
         <description><![CDATA[<div>로션</div>]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/1641403791/3912dbea56d76f081df3a271fd95626e/BC42BA93_57CC_473A_8B6A_786E3B0389B4.jpeg" />
         <pubDate>2022-03-24 14:20:22 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111966210</guid>
      </item>
      <item>
         <title>2.&lt;원소 조사&gt; 칼륨</title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111971801</link>
         <description><![CDATA[<div>원소 기호: K<br>원소 번호:19<br>원소 특징: 칼륨(K)은 세포내액에 가장 다량으로 들어있는 주요 양이온으로 세포막의 전위를 유지하고 세포내액의 이온의 세기를 결정한다.</div>]]></description>
         <enclosure url="" />
         <pubDate>2022-03-24 14:22:53 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111971801</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111982638</link>
         <description><![CDATA[<div>휴대용 산소 캔</div>]]></description>
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         <pubDate>2022-03-24 14:27:46 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111982638</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111992657</link>
         <description><![CDATA[<div>풍선</div>]]></description>
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         <pubDate>2022-03-24 14:32:13 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2111992657</guid>
      </item>
      <item>
         <title>3. 짧은 글 짓기</title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2112009513</link>
         <description><![CDATA[<div>Na(나트륨)는 금(Au)요일이 되어서 기분이 너무 좋았는데 학원을 가야한다는 생각에 기분이&nbsp;너무 Cu렸다.(구리)</div>]]></description>
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         <pubDate>2022-03-24 14:40:06 UTC</pubDate>
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      <item>
         <title>원소가 들어가는 물질</title>
         <author></author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2112036567</link>
         <description><![CDATA[]]></description>
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         <pubDate>2022-03-24 14:53:02 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2112036567</guid>
      </item>
      <item>
         <title>출력물 제출</title>
         <author>wndusthdus24</author>
         <link>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2115525715</link>
         <description><![CDATA[]]></description>
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         <pubDate>2022-03-27 12:43:07 UTC</pubDate>
         <guid>https://padlet.com/wndusthdus24/2022clas2_2_1/wish/2115525715</guid>
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