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      <title>통합과학 원소주기율표 (1학년 4반) by </title>
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      <description>Discover the wonders and organization of the elements</description>
      <language>en-us</language>
      <pubDate>2024-03-28 01:14:38 UTC</pubDate>
      <lastBuildDate>2024-04-04 06:23:01 UTC</lastBuildDate>
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      <item>
         <title>원소 주기율표 이해하기</title>
         <author>ds3349</author>
         <link>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2936002661</link>
         <description><![CDATA[]]></description>
         <pubDate>2024-03-28 01:14:39 UTC</pubDate>
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      <item>
         <title>핵심 질문</title>
         <author>ds3349</author>
         <link>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2936002664</link>
         <description><![CDATA[<p>"원소들은 왜 특정한 방식으로 주기율표에 배열되어 있을까?"</p>]]></description>
         <pubDate>2024-03-28 01:14:39 UTC</pubDate>
         <guid>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2936002664</guid>
      </item>
      <item>
         <title>원소 주기율표 외우기</title>
         <author>ds3349</author>
         <link>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2936002679</link>
         <description><![CDATA[<p>원자번호 20번까지 외우기!</p>]]></description>
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         <pubDate>2024-03-28 01:14:39 UTC</pubDate>
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      <item>
         <title>준비물 확인</title>
         <author>ds3349</author>
         <link>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2936002680</link>
         <description><![CDATA[<ol><li><p>4명씩 모둠 별로 앉기</p></li></ol><ol start="2"><li><p> OHP 필름 1장</p></li><li><p> A4 활동지 1장</p></li><li><p> 해바라기씨 초콜릿 1개</p></li><li><p> 사진 촬영용 핸드폰</p></li></ol>]]></description>
         <pubDate>2024-03-28 01:14:39 UTC</pubDate>
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      <item>
         <title>탐구활동</title>
         <author>ds3349</author>
         <link>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2936002702</link>
         <description><![CDATA[<ol><li><p>원자번호 1번~20번 까지 전자를 배치하고 사진찍기.</p></li><li><p>사진찍은 원소의 이용되는 예시 찾아 발표하기</p></li></ol>]]></description>
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         <pubDate>2024-03-28 01:14:40 UTC</pubDate>
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      <item>
         <title>퀴즈 1</title>
         <author>ds3349</author>
         <link>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2936002726</link>
         <description><![CDATA[<p>같은 주기에 속하는 원소의 규칙성은 무엇인가?</p><p><br/></p><p>(답은 글로 달아주세요~)</p>]]></description>
         <pubDate>2024-03-28 01:14:41 UTC</pubDate>
         <guid>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2936002726</guid>
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      <item>
         <title>퀴즈 2</title>
         <author>ds3349</author>
         <link>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2936002727</link>
         <description><![CDATA[<p>같은 족에 속하는 원소의 규칙성은 무엇인가?</p><p><br/></p><p>(답은 글로 달아주세요~)</p>]]></description>
         <pubDate>2024-03-28 01:14:41 UTC</pubDate>
         <guid>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2936002727</guid>
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      <item>
         <title></title>
         <author>ds3349</author>
         <link>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2936022636</link>
         <description><![CDATA[<ol start="2"><li><p>금속 원소와 비금속 원소의 성질을 설명할 수 있다.</p></li></ol>]]></description>
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         <pubDate>2024-03-28 01:29:33 UTC</pubDate>
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      <item>
         <title></title>
         <author>ds3349</author>
         <link>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2936022988</link>
         <description><![CDATA[<ol start="3"><li><p>원소의 성질이 주기성을 나타내는 현상을 통해 자연의 규칙성을 찾을 수 있다.</p></li></ol>]]></description>
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         <pubDate>2024-03-28 01:29:41 UTC</pubDate>
         <guid>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2936022988</guid>
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      <item>
         <title>모둠원</title>
         <author>ds3349</author>
         <link>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2936370912</link>
         <description><![CDATA[]]></description>
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         <pubDate>2024-03-28 07:24:40 UTC</pubDate>
         <guid>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2936370912</guid>
      </item>
      <item>
         <title>모둠원</title>
         <author>ds3349</author>
         <link>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2936371556</link>
         <description><![CDATA[<p>123</p>]]></description>
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         <pubDate>2024-03-28 07:25:35 UTC</pubDate>
         <guid>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2936371556</guid>
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      <item>
         <title>모둠원</title>
         <author>ds3349</author>
         <link>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2936371643</link>
         <description><![CDATA[<p>123</p>]]></description>
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         <pubDate>2024-03-28 07:25:42 UTC</pubDate>
         <guid>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2936371643</guid>
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      <item>
         <title>모둠원</title>
         <author>ds3349</author>
         <link>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2936371712</link>
         <description><![CDATA[<p>123</p>]]></description>
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         <pubDate>2024-03-28 07:25:49 UTC</pubDate>
         <guid>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2936371712</guid>
      </item>
      <item>
         <title>모둠원</title>
         <author>ds3349</author>
         <link>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2936371793</link>
         <description><![CDATA[<p>123</p>]]></description>
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         <pubDate>2024-03-28 07:25:57 UTC</pubDate>
         <guid>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2936371793</guid>
      </item>
      <item>
         <title>모둠원</title>
         <author>ds3349</author>
         <link>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2936371829</link>
         <description><![CDATA[<p>123</p>]]></description>
         <enclosure url="" />
         <pubDate>2024-03-28 07:26:00 UTC</pubDate>
         <guid>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2936371829</guid>
      </item>
      <item>
         <title>모둠원</title>
         <author>ds3349</author>
         <link>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2936371874</link>
         <description><![CDATA[<p>123</p>]]></description>
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         <pubDate>2024-03-28 07:26:05 UTC</pubDate>
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      <item>
         <title></title>
         <author>ds3349</author>
         <link>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2936375947</link>
         <description><![CDATA[<ol><li><p>세상에 존재하는 물질이 원소로 이루어져 있음을 설명할 수 있다.</p></li></ol>]]></description>
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         <pubDate>2024-03-28 07:28:59 UTC</pubDate>
         <guid>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2936375947</guid>
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      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939976299</link>
         <description><![CDATA[<p>1403 박세연</p><p>1409 최재인</p><p>1412 정유신 </p><p>1419 박준우</p><p>1429 정우주</p><p><br/></p>]]></description>
         <enclosure url="" />
         <pubDate>2024-04-02 05:32:20 UTC</pubDate>
         <guid>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939976299</guid>
      </item>
      <item>
         <title>모둠원</title>
         <author></author>
         <link>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939977096</link>
         <description><![CDATA[<p>1407 장현진</p><p>1414 김시휼</p><p>1421 오유정</p><p>1426 김채은</p>]]></description>
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         <pubDate>2024-04-02 05:33:04 UTC</pubDate>
         <guid>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939977096</guid>
      </item>
      <item>
         <title>모둠원</title>
         <author></author>
         <link>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939977335</link>
         <description><![CDATA[<p>1408 채시우</p><p>1416 나예진</p><p>1402 김혜주</p><p>1425 김가은</p>]]></description>
         <enclosure url="" />
         <pubDate>2024-04-02 05:33:20 UTC</pubDate>
         <guid>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939977335</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939977759</link>
         <description><![CDATA[<p>1405 이수민 </p><p>1411 박소윤 </p><p>1417 문채은 </p><p>1423 최하란 </p><p>1427 백경록</p>]]></description>
         <enclosure url="" />
         <pubDate>2024-04-02 05:33:46 UTC</pubDate>
         <guid>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939977759</guid>
      </item>
      <item>
         <title>모둠원</title>
         <author></author>
         <link>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939978116</link>
         <description><![CDATA[<p>1420 오세윤</p><p>1416 김은율</p><p>1428 이예성</p><p>1404 유제린</p><p>1406 이시현</p>]]></description>
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         <pubDate>2024-04-02 05:34:12 UTC</pubDate>
         <guid>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939978116</guid>
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      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939978840</link>
         <description><![CDATA[<p>1401 김아인</p><p>1424 한지원</p><p>1413 정유진</p><p>1410 최종인</p><p>1422 장효우</p><p>1418 박래준</p>]]></description>
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         <pubDate>2024-04-02 05:34:55 UTC</pubDate>
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      <item>
         <title>수소</title>
         <author></author>
         <link>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939981437</link>
         <description><![CDATA[<p>수소</p><p>원자번호 1번</p><p>H</p><p>수소자동차 연료</p>]]></description>
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         <pubDate>2024-04-02 05:37:06 UTC</pubDate>
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      <item>
         <title>헬륨</title>
         <author></author>
         <link>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939983064</link>
         <description><![CDATA[<p>헬륨</p><p>원자번호 2번</p><p>He</p><p>헬륨풍선</p>]]></description>
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         <pubDate>2024-04-02 05:38:52 UTC</pubDate>
         <guid>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939983064</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939983547</link>
         <description><![CDATA[<p>수소</p><p>원자번호 1번</p><p>H</p><p>금속의 절단</p>]]></description>
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         <pubDate>2024-04-02 05:39:25 UTC</pubDate>
         <guid>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939983547</guid>
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      <item>
         <title>리튬</title>
         <author></author>
         <link>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939983746</link>
         <description><![CDATA[<p>리튬</p><p>원자번호 3번</p><p>Li</p><p>리튬 건전지</p>]]></description>
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         <pubDate>2024-04-02 05:39:38 UTC</pubDate>
         <guid>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939983746</guid>
      </item>
      <item>
         <title>수소(H)</title>
         <author></author>
         <link>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939984419</link>
         <description><![CDATA[<p>원자번호 1번</p><p>수소</p><p>수소폭탄</p>]]></description>
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         <pubDate>2024-04-02 05:40:16 UTC</pubDate>
         <guid>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939984419</guid>
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      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939984469</link>
         <description><![CDATA[<p>헬륨</p><p>원자번호 2번</p><p>He </p><p>풍선</p>]]></description>
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         <pubDate>2024-04-02 05:40:20 UTC</pubDate>
         <guid>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939984469</guid>
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      <item>
         <title>베릴륨</title>
         <author></author>
         <link>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939984791</link>
         <description><![CDATA[<p>베릴륨</p><p>원자번호 4번</p><p>Be</p><p>합금</p>]]></description>
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         <pubDate>2024-04-02 05:40:42 UTC</pubDate>
         <guid>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939984791</guid>
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      <item>
         <title>수소</title>
         <author></author>
         <link>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939984855</link>
         <description><![CDATA[<p>수소</p><p>원자번호 1번</p><p>H</p><p>예시: 핵무기에 사용</p>]]></description>
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         <pubDate>2024-04-02 05:40:46 UTC</pubDate>
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      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939984986</link>
         <description><![CDATA[<p>헬륨</p><p>2번</p><p>He</p><p>헬륨가스풍선</p>]]></description>
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         <pubDate>2024-04-02 05:40:54 UTC</pubDate>
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      <item>
         <title>헬륨</title>
         <author></author>
         <link>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939985195</link>
         <description><![CDATA[<p>헬륨</p><p>원자번호 2번</p><p>He</p><p>예시: 헬륨풍선</p>]]></description>
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         <pubDate>2024-04-02 05:41:03 UTC</pubDate>
         <guid>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939985195</guid>
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      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939985254</link>
         <description><![CDATA[<p>리튬</p><p>원자번호 3번</p><p>Li</p><p>휴대용 전자제품 건전지</p>]]></description>
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         <pubDate>2024-04-02 05:41:06 UTC</pubDate>
         <guid>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939985254</guid>
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      <item>
         <title>리튬</title>
         <author></author>
         <link>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939985585</link>
         <description><![CDATA[<p>리튬</p><p>원자번호 3번</p><p>Li</p><p>예시: 휴대전화</p>]]></description>
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         <pubDate>2024-04-02 05:41:30 UTC</pubDate>
         <guid>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939985585</guid>
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      <item>
         <title>베릴륨</title>
         <author></author>
         <link>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939985895</link>
         <description><![CDATA[<p>베릴륨</p><p>원자번호 4번</p><p>Be</p><p>예시: 스포츠 용품(공)</p>]]></description>
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         <pubDate>2024-04-02 05:41:43 UTC</pubDate>
         <guid>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939985895</guid>
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      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939986176</link>
         <description><![CDATA[<p>베릴륨</p><p>원자번호 4번</p><p>Be</p><p>니켈의 합금</p><p><br></p>]]></description>
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         <pubDate>2024-04-02 05:42:00 UTC</pubDate>
         <guid>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939986176</guid>
      </item>
      <item>
         <title>붕소</title>
         <author></author>
         <link>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939986267</link>
         <description><![CDATA[<p>붕소</p><p>원자번호 5번</p><p>B</p><p>예시: 방탄조끼</p>]]></description>
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         <pubDate>2024-04-02 05:42:06 UTC</pubDate>
         <guid>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939986267</guid>
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      <item>
         <title>붕소</title>
         <author></author>
         <link>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939986561</link>
         <description><![CDATA[<p>붕소</p><p>원자번호 5번</p><p>B</p><p>세제 첨가제</p>]]></description>
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         <pubDate>2024-04-02 05:42:24 UTC</pubDate>
         <guid>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939986561</guid>
      </item>
      <item>
         <title>탄소</title>
         <author></author>
         <link>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939986631</link>
         <description><![CDATA[<p>탄소</p><p>원자번호6번</p><p>C</p><p>예시: 콘크리트 구조물과 윤활에 관련되는 구조물</p>]]></description>
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         <pubDate>2024-04-02 05:42:29 UTC</pubDate>
         <guid>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939986631</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939986799</link>
         <description><![CDATA[<p>원자번호 3번</p><p>리튬 </p><p>Li</p><p> 리튬 건전지</p>]]></description>
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         <pubDate>2024-04-02 05:42:38 UTC</pubDate>
         <guid>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939986799</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939986872</link>
         <description><![CDATA[<p>붕소</p><p>원자번호 5번</p><p>B</p><p>살충제</p>]]></description>
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         <pubDate>2024-04-02 05:42:42 UTC</pubDate>
         <guid>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939986872</guid>
      </item>
      <item>
         <title>수소</title>
         <author></author>
         <link>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939987318</link>
         <description><![CDATA[<p>원자번호1번</p><p>H 수소</p><p>수소전기차</p>]]></description>
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         <pubDate>2024-04-02 05:43:07 UTC</pubDate>
         <guid>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939987318</guid>
      </item>
      <item>
         <title>질소</title>
         <author></author>
         <link>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939987384</link>
         <description><![CDATA[<p>질소</p><p>원자번호 7번</p><p>N</p><p>예시: 과자 포장시 쓰임(질소과자..)</p>]]></description>
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         <pubDate>2024-04-02 05:43:11 UTC</pubDate>
         <guid>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939987384</guid>
      </item>
      <item>
         <title>탄소</title>
         <author></author>
         <link>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939987696</link>
         <description><![CDATA[<p>탄소</p><p>원자번호 6번</p><p>C</p><p>흑연(연필)</p>]]></description>
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         <pubDate>2024-04-02 05:43:29 UTC</pubDate>
         <guid>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939987696</guid>
      </item>
      <item>
         <title>산소</title>
         <author></author>
         <link>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939987795</link>
         <description><![CDATA[<p>산소</p><p>원자번호 8번</p><p>O</p><p>예시: 의료용 호흡기에 사용</p>]]></description>
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         <pubDate>2024-04-02 05:43:35 UTC</pubDate>
         <guid>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939987795</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939987817</link>
         <description><![CDATA[<p>탄소</p><p>원자번호 6번</p><p>C</p><p>연필심</p><p><br></p>]]></description>
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         <pubDate>2024-04-02 05:43:36 UTC</pubDate>
         <guid>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939987817</guid>
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      <item>
         <title>플루오린</title>
         <author></author>
         <link>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939988058</link>
         <description><![CDATA[<p>플루오린</p><p>원자번호 9번</p><p>F</p><p>예시: 치약</p>]]></description>
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         <pubDate>2024-04-02 05:43:51 UTC</pubDate>
         <guid>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939988058</guid>
      </item>
      <item>
         <title>원자번호 1번 H 수소</title>
         <author></author>
         <link>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939988282</link>
         <description><![CDATA[<p>수소 자동차 연료</p>]]></description>
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         <pubDate>2024-04-02 05:44:06 UTC</pubDate>
         <guid>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939988282</guid>
      </item>
      <item>
         <title>네온</title>
         <author></author>
         <link>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939988305</link>
         <description><![CDATA[<p>네온</p><p>원자번호 10번</p><p>Ne</p><p>예시: 네온사인(간판)</p>]]></description>
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         <pubDate>2024-04-02 05:44:07 UTC</pubDate>
         <guid>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939988305</guid>
      </item>
      <item>
         <title>질소</title>
         <author></author>
         <link>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939988514</link>
         <description><![CDATA[<p>질소</p><p>원자번호 7번</p><p>N</p><p>식품포장</p>]]></description>
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         <pubDate>2024-04-02 05:44:23 UTC</pubDate>
         <guid>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939988514</guid>
      </item>
      <item>
         <title>나트륨</title>
         <author></author>
         <link>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939988579</link>
         <description><![CDATA[<p>원자번호 11</p><p>Na</p><p>예시: 램프</p>]]></description>
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         <pubDate>2024-04-02 05:44:26 UTC</pubDate>
         <guid>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939988579</guid>
      </item>
      <item>
         <title>원자번호 2번 He  헬륨</title>
         <author></author>
         <link>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939988809</link>
         <description><![CDATA[<p>헬륨풍선</p>]]></description>
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         <pubDate>2024-04-02 05:44:36 UTC</pubDate>
         <guid>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939988809</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939988895</link>
         <description><![CDATA[<p>질소</p><p>원자번호 7번</p><p>N</p><p>식품 포장</p><p><br></p>]]></description>
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         <pubDate>2024-04-02 05:44:37 UTC</pubDate>
         <guid>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939988895</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939989112</link>
         <description><![CDATA[<p>원자번호2번 </p><p>헬륨 He</p><p>헬륨풍선</p>]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/2408210571/b451cede14660a397605baffaf0ea079/image.jpg" />
         <pubDate>2024-04-02 05:44:41 UTC</pubDate>
         <guid>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939989112</guid>
      </item>
      <item>
         <title>마그네슘</title>
         <author></author>
         <link>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939989144</link>
         <description><![CDATA[<p>원자번호 12</p><p>Mg</p><p>예시: 비타민</p>]]></description>
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         <pubDate>2024-04-02 05:44:43 UTC</pubDate>
         <guid>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939989144</guid>
      </item>
      <item>
         <title>원자 번호3 Li 리튬</title>
         <author></author>
         <link>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939989432</link>
         <description><![CDATA[<p>핸드폰 전지</p>]]></description>
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         <pubDate>2024-04-02 05:45:02 UTC</pubDate>
         <guid>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939989432</guid>
      </item>
      <item>
         <title>알루미늄</title>
         <author></author>
         <link>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939989474</link>
         <description><![CDATA[<p>원자번호 13</p><p>Al</p><p>예시: 호일</p>]]></description>
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         <pubDate>2024-04-02 05:45:03 UTC</pubDate>
         <guid>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939989474</guid>
      </item>
      <item>
         <title>산소</title>
         <author></author>
         <link>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939989651</link>
         <description><![CDATA[<p>산소</p><p>원자번호 8번</p><p>O</p><p>호흡</p>]]></description>
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         <pubDate>2024-04-02 05:45:16 UTC</pubDate>
         <guid>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939989651</guid>
      </item>
      <item>
         <title>규소</title>
         <author></author>
         <link>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939989665</link>
         <description><![CDATA[<p>원자번호 14</p><p>Si</p><p>예시: 핸드폰</p>]]></description>
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         <pubDate>2024-04-02 05:45:17 UTC</pubDate>
         <guid>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939989665</guid>
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      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939989692</link>
         <description><![CDATA[<p>원자번호 6번 탄소 c 탄소 화력발전</p>]]></description>
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         <pubDate>2024-04-02 05:45:19 UTC</pubDate>
         <guid>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939989692</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939989782</link>
         <description><![CDATA[<p>산소</p><p>원자번호 8번</p><p>O</p><p>산서호흡기</p>]]></description>
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         <pubDate>2024-04-02 05:45:25 UTC</pubDate>
         <guid>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939989782</guid>
      </item>
      <item>
         <title>인</title>
         <author></author>
         <link>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939989849</link>
         <description><![CDATA[<p>원자번호 15</p><p>P</p><p>예시: 비누</p>]]></description>
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         <pubDate>2024-04-02 05:45:30 UTC</pubDate>
         <guid>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939989849</guid>
      </item>
      <item>
         <title>원자 번호 4 Be 베릴륨</title>
         <author></author>
         <link>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939989927</link>
         <description><![CDATA[<p>금속 가공</p>]]></description>
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         <pubDate>2024-04-02 05:45:35 UTC</pubDate>
         <guid>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939989927</guid>
      </item>
      <item>
         <title>염소</title>
         <author></author>
         <link>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939990073</link>
         <description><![CDATA[<p>원자번호 16</p><p>S</p><p>예시: 성냥</p>]]></description>
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         <pubDate>2024-04-02 05:45:45 UTC</pubDate>
         <guid>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939990073</guid>
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      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939990105</link>
         <description><![CDATA[<p>플루오린</p><p>원자번호 9번</p><p>F</p><p>프레온 가스</p>]]></description>
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         <pubDate>2024-04-02 05:45:48 UTC</pubDate>
         <guid>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939990105</guid>
      </item>
      <item>
         <title>리튬</title>
         <author></author>
         <link>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939990291</link>
         <description><![CDATA[<p>원자번호3번 </p><p>리튬 Li</p><p>배터리</p>]]></description>
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         <pubDate>2024-04-02 05:46:01 UTC</pubDate>
         <guid>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939990291</guid>
      </item>
      <item>
         <title>염소</title>
         <author></author>
         <link>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939990303</link>
         <description><![CDATA[<p>원자번호 17</p><p>Cl</p><p>예시: 살균, 소독제</p>]]></description>
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         <pubDate>2024-04-02 05:46:02 UTC</pubDate>
         <guid>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939990303</guid>
      </item>
      <item>
         <title>원소 번호 5 B 붕소</title>
         <author></author>
         <link>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939990528</link>
         <description><![CDATA[<p>탈산제</p>]]></description>
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         <pubDate>2024-04-02 05:46:15 UTC</pubDate>
         <guid>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939990528</guid>
      </item>
      <item>
         <title>아르곤</title>
         <author></author>
         <link>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939990553</link>
         <description><![CDATA[<p>원자번호 18</p><p>Ar</p><p>예시: 백열전구</p>]]></description>
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         <pubDate>2024-04-02 05:46:16 UTC</pubDate>
         <guid>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939990553</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939990728</link>
         <description><![CDATA[<p>네온</p><p>원자번호 10번</p><p>Ne</p><p>조명</p>]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/2408210174/6b05e744302a73ec3872b29d6cccda14/IMG_0472.jpeg" />
         <pubDate>2024-04-02 05:46:26 UTC</pubDate>
         <guid>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939990728</guid>
      </item>
      <item>
         <title>칼륨</title>
         <author></author>
         <link>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939990767</link>
         <description><![CDATA[<p>원자번호 19</p><p>K</p><p>예시: 비료</p>]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/613822030/d8588722fa6728c7706fc6b6810a0bb0/20240402_143729.jpg" />
         <pubDate>2024-04-02 05:46:28 UTC</pubDate>
         <guid>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939990767</guid>
      </item>
      <item>
         <title>칼슘</title>
         <author></author>
         <link>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939990971</link>
         <description><![CDATA[<p>원자번호 20</p><p>Ca</p><p>예시: 철의 제련</p>]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/613822030/3b79a618c057d0506ff0150ef3f24e5a/20240402_143735.jpg" />
         <pubDate>2024-04-02 05:46:41 UTC</pubDate>
         <guid>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939990971</guid>
      </item>
      <item>
         <title>플루오린</title>
         <author></author>
         <link>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939991026</link>
         <description><![CDATA[<p>플루오린</p><p>원자번호 9번</p><p>F</p><p>치약</p>]]></description>
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         <pubDate>2024-04-02 05:46:45 UTC</pubDate>
         <guid>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939991026</guid>
      </item>
      <item>
         <title>원소 번호 6 C 탄소</title>
         <author></author>
         <link>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939991119</link>
         <description><![CDATA[<p>다이아몬드</p>]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/2408210317/788b818c9582e3340eec8fc5e9f18220/20240402_143806.jpg" />
         <pubDate>2024-04-02 05:46:50 UTC</pubDate>
         <guid>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939991119</guid>
      </item>
      <item>
         <title>베릴륨</title>
         <author></author>
         <link>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939991954</link>
         <description><![CDATA[<p>원자번호 4번</p><p>베릴륨 Be</p><p>합금재료</p>]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/2408210571/421b8b42ef278b0790b820ce9c41496c/image.jpg" />
         <pubDate>2024-04-02 05:47:38 UTC</pubDate>
         <guid>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939991954</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939992026</link>
         <description><![CDATA[<p>원자번호 7번 질소 N 과자봉지</p>]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/2408210586/5da05f448be8929c3bf2e289a4c6eb78/20240402_144557.jpg" />
         <pubDate>2024-04-02 05:47:42 UTC</pubDate>
         <guid>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939992026</guid>
      </item>
      <item>
         <title>원자번호 7 N 질소</title>
         <author></author>
         <link>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939992166</link>
         <description><![CDATA[<p>과자포장</p>]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/2408210317/f8700c7273e1a81b8dfa247dedd13717/20240402_143820.jpg" />
         <pubDate>2024-04-02 05:47:51 UTC</pubDate>
         <guid>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939992166</guid>
      </item>
      <item>
         <title>네온</title>
         <author></author>
         <link>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939992676</link>
         <description><![CDATA[<p>네온</p><p>원자번호 10번</p><p>Ne</p><p>네온사인</p>]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/2408210361/793fa101535227d199280d4672074ce0/17120368608636581949414738307041.jpg" />
         <pubDate>2024-04-02 05:48:24 UTC</pubDate>
         <guid>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939992676</guid>
      </item>
      <item>
         <title>원자번호 8 O 산소</title>
         <author></author>
         <link>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939992858</link>
         <description><![CDATA[<p>공기</p>]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/2408210317/df0f508cc0992c8fd7e84ac15ef09bb0/20240402_143831.jpg" />
         <pubDate>2024-04-02 05:48:35 UTC</pubDate>
         <guid>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939992858</guid>
      </item>
      <item>
         <title>붕소</title>
         <author></author>
         <link>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939993388</link>
         <description><![CDATA[<p>원자번호 5번</p><p>붕소 B</p><p>항암치료</p>]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/2408210571/ca9e0c5fd124f009963fd23ca5e4602f/image.jpg" />
         <pubDate>2024-04-02 05:49:12 UTC</pubDate>
         <guid>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939993388</guid>
      </item>
      <item>
         <title>원자번호 9 F 플루오린</title>
         <author></author>
         <link>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939993505</link>
         <description><![CDATA[<p>치약</p>]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/2408210317/a118a271eca3bd92262609b6db9b0412/20240402_143841.jpg" />
         <pubDate>2024-04-02 05:49:20 UTC</pubDate>
         <guid>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939993505</guid>
      </item>
      <item>
         <title>나트륨</title>
         <author></author>
         <link>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939993784</link>
         <description><![CDATA[<p>나트륨</p><p>원자번호 11번</p><p>Na</p><p>소금</p>]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/2408210361/cb4823c24d749c5b6ce0b01c3b380fb6/17120369240643124311567187813237.jpg" />
         <pubDate>2024-04-02 05:49:37 UTC</pubDate>
         <guid>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939993784</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939994110</link>
         <description><![CDATA[<p>나트륨</p><p>원자번호 11번</p><p>Na</p><p>유리</p>]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/2408210174/418a526216e9fb7ac48ddccdc447403c/IMG_0473.jpeg" />
         <pubDate>2024-04-02 05:49:53 UTC</pubDate>
         <guid>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939994110</guid>
      </item>
      <item>
         <title>원자번호 10 Ne 네온</title>
         <author></author>
         <link>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939994213</link>
         <description><![CDATA[<p>네온사인</p>]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/2408210317/f440258edd45d8f8ef2a24b3a9271d31/20240402_143848.jpg" />
         <pubDate>2024-04-02 05:49:59 UTC</pubDate>
         <guid>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939994213</guid>
      </item>
      <item>
         <title>산소</title>
         <author></author>
         <link>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939994343</link>
         <description><![CDATA[<p>8번</p><p>o</p><p>산소</p>]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/2408210495/e39d45de7cdaa0470eb41ee6650222f0/image.jpg" />
         <pubDate>2024-04-02 05:50:07 UTC</pubDate>
         <guid>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939994343</guid>
      </item>
      <item>
         <title>원자번호 11 Na 나트륨 </title>
         <author></author>
         <link>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939994405</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/2408210317/55891390293a92763ea5397eb8a24b21/20240402_143905.jpg" />
         <pubDate>2024-04-02 05:50:11 UTC</pubDate>
         <guid>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939994405</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939994751</link>
         <description><![CDATA[<p>마그네슘</p><p>원자번호 12번</p><p>Mg</p><p>조명탄</p>]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/2408210174/99afea14011a90de84be2192e5c001df/IMG_0474.jpeg" />
         <pubDate>2024-04-02 05:50:31 UTC</pubDate>
         <guid>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939994751</guid>
      </item>
      <item>
         <title>탄소</title>
         <author></author>
         <link>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939994807</link>
         <description><![CDATA[<p>원자번호 6번</p><p>탄소C</p><p>화력발전</p>]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/2408210571/2fb615619df2314368575e860c03d2d9/image.jpg" />
         <pubDate>2024-04-02 05:50:35 UTC</pubDate>
         <guid>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939994807</guid>
      </item>
      <item>
         <title>O 산소</title>
         <author></author>
         <link>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939994885</link>
         <description><![CDATA[<p>원자번호 8번</p><p>생물의 호흡에 이용</p>]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/2408210500/cdccf25d919f497f7433078d742d94aa/32445421_7AFA_429C_AA84_7119C8B69D69.jpeg" />
         <pubDate>2024-04-02 05:50:40 UTC</pubDate>
         <guid>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939994885</guid>
      </item>
      <item>
         <title>마그네슘</title>
         <author></author>
         <link>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939995383</link>
         <description><![CDATA[<p>마그네슘</p><p>원자번호 12번</p><p>Mg</p><p>의약품</p>]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/2408210361/04213e189d8f23e16b72d2cc76c5ec84/17120370059301060706635491729295.jpg" />
         <pubDate>2024-04-02 05:51:09 UTC</pubDate>
         <guid>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939995383</guid>
      </item>
      <item>
         <title>원자번호 12 Mg 마그네슘 </title>
         <author></author>
         <link>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939995489</link>
         <description><![CDATA[<p>스프레이 </p>]]></description>
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         <pubDate>2024-04-02 05:51:15 UTC</pubDate>
         <guid>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939995489</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939995764</link>
         <description><![CDATA[<p>알루미늄</p><p>원자번호 13번</p><p>Al</p><p>주방용기</p>]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/2408210174/907a3a48e08f4f40470ba37564bc1535/IMG_0475.jpeg" />
         <pubDate>2024-04-02 05:51:27 UTC</pubDate>
         <guid>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939995764</guid>
      </item>
      <item>
         <title>질소</title>
         <author></author>
         <link>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939996154</link>
         <description><![CDATA[<p>원자번호 7번</p><p>질소 N</p><p>비활성 대기 환경 만듦</p>]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/2408210571/2058d2433a9102aac1373b2f17d0797e/image.jpg" />
         <pubDate>2024-04-02 05:51:50 UTC</pubDate>
         <guid>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939996154</guid>
      </item>
      <item>
         <title>원자번호 13 Al 알류미늄</title>
         <author></author>
         <link>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939996299</link>
         <description><![CDATA[<p>호일</p>]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/2408210317/d2fb28a0865fab392a9fa290d1ec8db1/20240402_143930.jpg" />
         <pubDate>2024-04-02 05:51:58 UTC</pubDate>
         <guid>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939996299</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939996661</link>
         <description><![CDATA[<p>규소</p><p>원자번호 14번</p><p>Si</p><p>반도체</p>]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/2408210174/ac53141d5d606c871f3f36622106d3ba/IMG_0476.jpeg" />
         <pubDate>2024-04-02 05:52:09 UTC</pubDate>
         <guid>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939996661</guid>
      </item>
      <item>
         <title>원자번호 14 Si 규소</title>
         <author></author>
         <link>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939997217</link>
         <description><![CDATA[<p>빵이나 과자의 모양을 내는 틀</p>]]></description>
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         <pubDate>2024-04-02 05:52:41 UTC</pubDate>
         <guid>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939997217</guid>
      </item>
      <item>
         <title>알루미늄</title>
         <author></author>
         <link>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939997324</link>
         <description><![CDATA[<p>알루미늄</p><p>원자번호 13번</p><p>Al</p><p>호일</p>]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/2408210361/21e58fe8550bc7fa7cb4bb7db820ab95/17120371301926543735551841235565.jpg" />
         <pubDate>2024-04-02 05:52:47 UTC</pubDate>
         <guid>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939997324</guid>
      </item>
      <item>
         <title>산소 </title>
         <author></author>
         <link>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939997422</link>
         <description><![CDATA[<p>원자번호 8번</p><p>산소 0</p><p>용접</p>]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/2408210571/023613fa6b6171a7dba423f2cb6888c1/image.jpg" />
         <pubDate>2024-04-02 05:52:54 UTC</pubDate>
         <guid>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939997422</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939997758</link>
         <description><![CDATA[<p>인</p><p>원자번호 15번</p><p>P</p><p>성냥발화기</p>]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/2408210174/2c4e2cf93d85e4bb4992dda8c922d68f/IMG_0477.jpeg" />
         <pubDate>2024-04-02 05:53:09 UTC</pubDate>
         <guid>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939997758</guid>
      </item>
      <item>
         <title>규소</title>
         <author></author>
         <link>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939998137</link>
         <description><![CDATA[<p>규소</p><p>원자번호 14번</p><p>Si</p><p>빵 틀</p>]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/2408210361/68bb25b2c3a016ceee8b7264aead6caa/17120371803117121494228630982284.jpg" />
         <pubDate>2024-04-02 05:53:33 UTC</pubDate>
         <guid>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939998137</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939998340</link>
         <description><![CDATA[<p>황</p><p>원자번호 16번</p><p>S</p><p>염료</p>]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/2408210174/86cf8710a59b9399089d527f2bd4875a/IMG_0478.jpeg" />
         <pubDate>2024-04-02 05:53:44 UTC</pubDate>
         <guid>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939998340</guid>
      </item>
      <item>
         <title>원자번호 15 P 인</title>
         <author></author>
         <link>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939998682</link>
         <description><![CDATA[<p>함성섬유 제조</p>]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/2408210317/4b5ff21c1bb48e9703e65a3ce1066733/20240402_143947.jpg" />
         <pubDate>2024-04-02 05:54:04 UTC</pubDate>
         <guid>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939998682</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939999083</link>
         <description><![CDATA[<p>염소</p><p>원자번호 17번</p><p>Cl</p><p>표백제</p>]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/2408210174/d3a2660fa3451d6891a09093606a9479/IMG_0479.jpeg" />
         <pubDate>2024-04-02 05:54:21 UTC</pubDate>
         <guid>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939999083</guid>
      </item>
      <item>
         <title>인</title>
         <author></author>
         <link>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939999199</link>
         <description><![CDATA[<p>인</p><p>원자번호 15번</p><p>P</p><p>성냥</p>]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/2408210361/ff47d7bc7bca654ea058ca1fb7a99221/17120372359791708277496292704974.jpg" />
         <pubDate>2024-04-02 05:54:28 UTC</pubDate>
         <guid>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939999199</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939999624</link>
         <description><![CDATA[<p>아르곤</p><p>원자번호 18번</p><p>Ar</p><p>백열등</p>]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/2408210174/dc638fea08a162b58c0cc321ff28b978/IMG_0480.jpeg" />
         <pubDate>2024-04-02 05:54:50 UTC</pubDate>
         <guid>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939999624</guid>
      </item>
      <item>
         <title>플루오린</title>
         <author></author>
         <link>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939999833</link>
         <description><![CDATA[<p>원자번호 9번</p><p>플루오린 F</p><p>충치예방(치약)</p>]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/2408210571/7b9143b743560fc1a0773d6eb4aced76/image.jpg" />
         <pubDate>2024-04-02 05:55:01 UTC</pubDate>
         <guid>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2939999833</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2940000174</link>
         <description><![CDATA[<p>칼륨</p><p>원자번호 19번</p><p>K</p><p>비누</p>]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/2408210174/a5cd894e03999beb7719e618696be9f2/IMG_0481.jpeg" />
         <pubDate>2024-04-02 05:55:18 UTC</pubDate>
         <guid>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2940000174</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2940000269</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/2408241231/8d11461fa350ecd5f276238ee90dc7b4/IMG_8348.jpeg" />
         <pubDate>2024-04-02 05:55:24 UTC</pubDate>
         <guid>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2940000269</guid>
      </item>
      <item>
         <title>황</title>
         <author></author>
         <link>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2940000313</link>
         <description><![CDATA[<p>황</p><p>원자번호 16번</p><p>S</p><p>살충제</p>]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/2408210361/608d3cc107f243619749e4178f57d5a3/17120372708933860032003821866366.jpg" />
         <pubDate>2024-04-02 05:55:27 UTC</pubDate>
         <guid>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2940000313</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2940000409</link>
         <description><![CDATA[<p>플루오린</p><p>9번</p><p>치약</p>]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/1251797864/6ca695b8dc1ccdd6ced0d38b14df023a/IMG_7895.jpeg" />
         <pubDate>2024-04-02 05:55:30 UTC</pubDate>
         <guid>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2940000409</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2940000574</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/2408241231/3f34d92b8575a60206adf620269ab09a/IMG_8347.jpeg" />
         <pubDate>2024-04-02 05:55:40 UTC</pubDate>
         <guid>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2940000574</guid>
      </item>
      <item>
         <title>원자번호 16 S 황</title>
         <author></author>
         <link>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2940000741</link>
         <description><![CDATA[<p>농업</p>]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/2408210317/27abfe0019d9a86e1c883e27e72d3ca7/20240402_144001.jpg" />
         <pubDate>2024-04-02 05:55:51 UTC</pubDate>
         <guid>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2940000741</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2940000892</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/2408241231/cd5ef8694b9974fce440a71096cb6c25/IMG_8346.jpeg" />
         <pubDate>2024-04-02 05:55:57 UTC</pubDate>
         <guid>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2940000892</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2940000925</link>
         <description><![CDATA[<p>칼슘</p><p>원자번호 20번</p><p>Ca</p><p>뼈와 치아의 구성요소</p>]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/2408210174/dc3802635aa7562652540113148a19db/IMG_0482.jpeg" />
         <pubDate>2024-04-02 05:55:59 UTC</pubDate>
         <guid>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2940000925</guid>
      </item>
      <item>
         <title>네온</title>
         <author></author>
         <link>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2940001015</link>
         <description><![CDATA[<p>원자번호 10번</p><p>네온 Ne</p><p>네온사인</p>]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/2408210571/409d11d2f10e9e715efae114d99df14e/image.jpg" />
         <pubDate>2024-04-02 05:56:03 UTC</pubDate>
         <guid>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2940001015</guid>
      </item>
      <item>
         <title>원자번호 17 Cl 염소 </title>
         <author></author>
         <link>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2940001447</link>
         <description><![CDATA[<p>물 소독 ,수돗물</p>]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/2408210317/10c41cebdb77c6f517effb99774caf99/20240402_144010.jpg" />
         <pubDate>2024-04-02 05:56:26 UTC</pubDate>
         <guid>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2940001447</guid>
      </item>
      <item>
         <title>염소</title>
         <author></author>
         <link>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2940001555</link>
         <description><![CDATA[<p>염소</p><p>원자번호 17번</p><p>Cl</p><p>소독제</p>]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/2408210361/d6759a1f3c5779944a2ece47f9bfbcd4/17120373381482937616870629714134.jpg" />
         <pubDate>2024-04-02 05:56:32 UTC</pubDate>
         <guid>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2940001555</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2940001659</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/2408241231/f82b8e9b05b4a8d1a405decda870b2f4/IMG_8344.jpeg" />
         <pubDate>2024-04-02 05:56:34 UTC</pubDate>
         <guid>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2940001659</guid>
      </item>
      <item>
         <title>원자번호 18 Ar 아르곤</title>
         <author></author>
         <link>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2940002201</link>
         <description><![CDATA[<p>전구</p>]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/2408210317/4105315c76f9b28b04e40a5f6a7db0db/20240402_144015.jpg" />
         <pubDate>2024-04-02 05:57:07 UTC</pubDate>
         <guid>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2940002201</guid>
      </item>
      <item>
         <title>나트륨</title>
         <author></author>
         <link>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2940002497</link>
         <description><![CDATA[<p>원자번호 11번</p><p>나트륨 Na</p><p>소금</p><p><br/></p>]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/2408210571/8b26177ca96e32ad24017522b172f576/image.jpg" />
         <pubDate>2024-04-02 05:57:20 UTC</pubDate>
         <guid>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2940002497</guid>
      </item>
      <item>
         <title>원자번호 19 K 칼륨 </title>
         <author></author>
         <link>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2940002762</link>
         <description><![CDATA[<p>유제품</p>]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/2408210317/2af26d342ac094fd6188355efcef4e17/20240402_144027.jpg" />
         <pubDate>2024-04-02 05:57:32 UTC</pubDate>
         <guid>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2940002762</guid>
      </item>
      <item>
         <title>원자번호 20 Ca 칼슘</title>
         <author></author>
         <link>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2940003302</link>
         <description><![CDATA[<p>유제품</p>]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/2408210317/330d1c90f5e807c8e8fb7bf95b58db7e/20240402_144034.jpg" />
         <pubDate>2024-04-02 05:58:01 UTC</pubDate>
         <guid>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2940003302</guid>
      </item>
      <item>
         <title>아르곤</title>
         <author></author>
         <link>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2940003326</link>
         <description><![CDATA[<p>아르곤</p><p>원자번호 18번</p><p>Ar</p><p>용접</p>]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/2408210361/bad1641607492ff63679450d48a52c78/1712037418534696861738658494566.jpg" />
         <pubDate>2024-04-02 05:58:02 UTC</pubDate>
         <guid>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2940003326</guid>
      </item>
      <item>
         <title>마그네슘</title>
         <author></author>
         <link>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2940004237</link>
         <description><![CDATA[<p>원자번호 12번</p><p>마그네슘 Mg</p><p>영양제</p>]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/2408210571/79606f05ebc2c67edc4ab203f0711e7a/image.jpg" />
         <pubDate>2024-04-02 05:58:52 UTC</pubDate>
         <guid>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2940004237</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2940004818</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/2408241231/030221d593ec66731bd32117f146b371/IMG_8352.jpeg" />
         <pubDate>2024-04-02 05:59:25 UTC</pubDate>
         <guid>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2940004818</guid>
      </item>
      <item>
         <title>칼륨</title>
         <author></author>
         <link>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2940004820</link>
         <description><![CDATA[<p>칼륨</p><p>원자번호 19번</p><p>K</p><p>온도계</p>]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/2408210361/44114f0302917c802decae2c12395dc1/17120374989315332330460214862840.jpg" />
         <pubDate>2024-04-02 05:59:25 UTC</pubDate>
         <guid>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2940004820</guid>
      </item>
      <item>
         <title>알루미늄</title>
         <author></author>
         <link>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2940005296</link>
         <description><![CDATA[<p>원자번호 13번</p><p>알루미늄 Al</p><p>호일</p>]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/2408210571/bb374717963d96f3732ca06b8675f7f6/image.jpg" />
         <pubDate>2024-04-02 05:59:51 UTC</pubDate>
         <guid>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2940005296</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2940005427</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/2408241231/1607e852b0318d38d3a28d8aba50c94b/IMG_8353.jpeg" />
         <pubDate>2024-04-02 05:59:58 UTC</pubDate>
         <guid>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2940005427</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2940006137</link>
         <description><![CDATA[<p>11번</p><p>나트륨</p><p>Na</p><p>소금</p>]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/2408225615/82bbeb7b7e48c6c5b0982aa4bb211dc8/IMG_7898.jpeg" />
         <pubDate>2024-04-02 06:00:32 UTC</pubDate>
         <guid>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2940006137</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2940006229</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/2408241231/5cc14d40e5806b73ccf262b9d27e0fc1/IMG_8356.jpeg" />
         <pubDate>2024-04-02 06:00:36 UTC</pubDate>
         <guid>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2940006229</guid>
      </item>
      <item>
         <title>칼슘</title>
         <author></author>
         <link>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2940006281</link>
         <description><![CDATA[<p>칼슘</p><p>원자번호 20번</p><p>Ca</p><p>동물의 뼈</p>]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/2408210361/1d76c5c4f0a28bdedac641dad4335c63/17120375749756941542983854422280.jpg" />
         <pubDate>2024-04-02 06:00:39 UTC</pubDate>
         <guid>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2940006281</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2940006638</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/2408241231/4d100eae99642b5a0c406bd4a09bde35/IMG_8358.jpeg" />
         <pubDate>2024-04-02 06:00:59 UTC</pubDate>
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      <item>
         <title>규소</title>
         <author></author>
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         <description><![CDATA[<p>원자번호 14번</p><p>규소 Si</p><p>초음파 발전기</p>]]></description>
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         <pubDate>2024-04-02 06:01:00 UTC</pubDate>
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      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2940006707</link>
         <description><![CDATA[<p>네온 십번 네온싸인</p>]]></description>
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         <pubDate>2024-04-02 06:01:02 UTC</pubDate>
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         <title>칼슘</title>
         <author></author>
         <link>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2940007149</link>
         <description><![CDATA[<p>20번</p><p>Ca</p><p>칼슘</p><p>뼈</p>]]></description>
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         <pubDate>2024-04-02 06:01:22 UTC</pubDate>
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      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2940007311</link>
         <description><![CDATA[]]></description>
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         <pubDate>2024-04-02 06:01:31 UTC</pubDate>
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      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2940007425</link>
         <description><![CDATA[<p>13번</p><p>알루미늄</p><p>Al</p><p>캔</p>]]></description>
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         <pubDate>2024-04-02 06:01:37 UTC</pubDate>
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      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2940007697</link>
         <description><![CDATA[]]></description>
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         <pubDate>2024-04-02 06:01:53 UTC</pubDate>
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      <item>
         <title>인</title>
         <author></author>
         <link>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2940007958</link>
         <description><![CDATA[<p>원자번호 15번</p><p>인 P</p><p>성냥의 원료</p>]]></description>
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         <pubDate>2024-04-02 06:02:06 UTC</pubDate>
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      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2940008179</link>
         <description><![CDATA[]]></description>
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         <pubDate>2024-04-02 06:02:17 UTC</pubDate>
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      <item>
         <title>아르곤</title>
         <author></author>
         <link>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2940008499</link>
         <description><![CDATA[<p>18번</p><p>Ar</p><p>아르곤</p><p>비활성 기체</p>]]></description>
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         <pubDate>2024-04-02 06:02:37 UTC</pubDate>
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         <title>황</title>
         <author></author>
         <link>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2940009319</link>
         <description><![CDATA[<p>원자 번호 16번</p><p>황 S</p><p>불꽃놀이</p><p><br/></p>]]></description>
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         <pubDate>2024-04-02 06:03:25 UTC</pubDate>
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      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2940010298</link>
         <description><![CDATA[<p>17번</p><p>염소</p><p>Cl</p><p>살균, 소독제</p>]]></description>
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         <pubDate>2024-04-02 06:04:09 UTC</pubDate>
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      <item>
         <title>염소</title>
         <author></author>
         <link>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2940010790</link>
         <description><![CDATA[<p>원자번호 17번</p><p>염소 Cl</p><p>PVC 합성소재</p>]]></description>
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         <pubDate>2024-04-02 06:04:36 UTC</pubDate>
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      <item>
         <title>아르곤</title>
         <author></author>
         <link>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2940011965</link>
         <description><![CDATA[<p>원자번호 18번</p><p>아르곤 Ar</p><p>전등 수명 연장</p>]]></description>
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         <pubDate>2024-04-02 06:05:39 UTC</pubDate>
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      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2940012332</link>
         <description><![CDATA[<p>16번</p><p>황</p><p>S</p><p>한약</p>]]></description>
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         <pubDate>2024-04-02 06:05:57 UTC</pubDate>
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         <title></title>
         <author></author>
         <link>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2940014381</link>
         <description><![CDATA[<p>칼륨20번 유제품 퍼</p>]]></description>
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         <pubDate>2024-04-02 06:07:50 UTC</pubDate>
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         <title></title>
         <author></author>
         <link>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2940014651</link>
         <description><![CDATA[<p>12번</p><p>마그네슘</p><p>Mg</p><p>뼈 좋아질걸?</p>]]></description>
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         <pubDate>2024-04-02 06:08:08 UTC</pubDate>
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         <title>칼륨</title>
         <author></author>
         <link>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2940015168</link>
         <description><![CDATA[<p>원자번호 19번</p><p>칼륨 K</p><p>렌즈의 재료</p>]]></description>
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         <pubDate>2024-04-02 06:08:38 UTC</pubDate>
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         <title>칼슘</title>
         <author></author>
         <link>https://padlet.com/ds3349/r9d4f1mavcio5syn/wish/2940016908</link>
         <description><![CDATA[<p>원자번호 20번</p><p>칼슘 Ca</p><p>석회석의 주성분</p>]]></description>
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         <pubDate>2024-04-02 06:09:46 UTC</pubDate>
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