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      <title>통합과학 원소주기율표 (1학년 3반) by </title>
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      <description>원소 주기율표를 알고, 원자번호20번까지 전자배치를 그릴수있다.</description>
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      <pubDate>2024-04-02 06:46:29 UTC</pubDate>
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      <item>
         <title>원소 주기율표 이해하기</title>
         <author>ds3349</author>
         <link>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940060930</link>
         <description><![CDATA[]]></description>
         <pubDate>2024-04-02 06:46:29 UTC</pubDate>
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      <item>
         <title></title>
         <author>ds3349</author>
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         <description><![CDATA[<ol><li><p>세상에 존재하는 물질이 원소로 이루어져 있음을 설명할 수 있다.</p></li></ol>]]></description>
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         <title></title>
         <author>ds3349</author>
         <link>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940060933</link>
         <description><![CDATA[<ol start="2"><li><p>금속 원소와 비금속 원소의 성질을 설명할 수 있다.</p></li></ol>]]></description>
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      <item>
         <title></title>
         <author>ds3349</author>
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         <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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      <item>
         <title>모둠원</title>
         <author>ds3349</author>
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         <description><![CDATA[]]></description>
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         <pubDate>2024-04-02 06:46:29 UTC</pubDate>
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      <item>
         <title>퀴즈 1</title>
         <author>ds3349</author>
         <link>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940060937</link>
         <description><![CDATA[<p>같은 주기에 속하는 원소의 규칙성은 무엇인가?</p><p><br></p><p>(답은 글로 달아주세요~)</p>]]></description>
         <pubDate>2024-04-02 06:46:29 UTC</pubDate>
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      <item>
         <title>핵심 질문</title>
         <author>ds3349</author>
         <link>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940060938</link>
         <description><![CDATA[<p>"원소들은 왜 특정한 방식으로 주기율표에 배열되어 있을까?"</p>]]></description>
         <pubDate>2024-04-02 06:46:29 UTC</pubDate>
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      <item>
         <title>원소 주기율표 외우기</title>
         <author>ds3349</author>
         <link>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940060939</link>
         <description><![CDATA[<p>원자번호 20번까지 외우기!</p>]]></description>
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         <pubDate>2024-04-02 06:46:29 UTC</pubDate>
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      <item>
         <title>준비물 확인</title>
         <author>ds3349</author>
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         <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>2024-04-02 06:46:29 UTC</pubDate>
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      <item>
         <title>탐구활동</title>
         <author>ds3349</author>
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         <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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      <item>
         <title>모둠원</title>
         <author>ds3349</author>
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         <description><![CDATA[]]></description>
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         <pubDate>2024-04-02 06:46:29 UTC</pubDate>
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      <item>
         <title>모둠원</title>
         <author>ds3349</author>
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         <description><![CDATA[]]></description>
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         <pubDate>2024-04-02 06:46:29 UTC</pubDate>
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      <item>
         <title>모둠원</title>
         <author>ds3349</author>
         <link>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940060947</link>
         <description><![CDATA[<p>123</p>]]></description>
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         <pubDate>2024-04-02 06:46:29 UTC</pubDate>
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      <item>
         <title>모둠원</title>
         <author>ds3349</author>
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         <description><![CDATA[]]></description>
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         <pubDate>2024-04-02 06:46:29 UTC</pubDate>
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      <item>
         <title>모둠원</title>
         <author>ds3349</author>
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         <description><![CDATA[]]></description>
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         <pubDate>2024-04-02 06:46:29 UTC</pubDate>
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      <item>
         <title>모둠원</title>
         <author>ds3349</author>
         <link>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940060968</link>
         <description><![CDATA[<p>1234</p><p>1234</p><p>1234</p><p>1234</p>]]></description>
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         <pubDate>2024-04-02 06:46:29 UTC</pubDate>
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      <item>
         <title>H ( 수소) , 원자번호 1번</title>
         <author>ds3349</author>
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         <description><![CDATA[]]></description>
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         <pubDate>2024-04-02 06:46:29 UTC</pubDate>
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      <item>
         <title>퀴즈 2</title>
         <author>ds3349</author>
         <link>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940060971</link>
         <description><![CDATA[<p>같은 족에 속하는 원소의 규칙성은 무엇인가?</p><p><br></p><p>(답은 글로 달아주세요~)</p>]]></description>
         <pubDate>2024-04-02 06:46:29 UTC</pubDate>
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      <item>
         <title>모둠원</title>
         <author></author>
         <link>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940971180</link>
         <description><![CDATA[<p>1304 김예담</p><p>1307 김한결</p><p>1309 박소현</p><p>1315임나연</p>]]></description>
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         <pubDate>2024-04-02 23:55:44 UTC</pubDate>
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      <item>
         <title>5모둠</title>
         <author></author>
         <link>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940973342</link>
         <description><![CDATA[<p>1301김미수</p><p>1303김슬이</p><p>1318정보현</p><p>1323황선애</p>]]></description>
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         <pubDate>2024-04-02 23:58:26 UTC</pubDate>
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      <item>
         <title>원자번호 1번 수소(H)</title>
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         <pubDate>2024-04-02 23:58:29 UTC</pubDate>
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      <item>
         <title>2번 헬륨 (He)</title>
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         <pubDate>2024-04-02 23:59:04 UTC</pubDate>
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      <item>
         <title>모둠원</title>
         <author></author>
         <link>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940974056</link>
         <description><![CDATA[<p>1305 김인재</p><p>1314 이예은</p><p>1322 천예림</p>]]></description>
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         <pubDate>2024-04-02 23:59:12 UTC</pubDate>
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      <item>
         <title>3번 리튬 (Li)</title>
         <author></author>
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         <pubDate>2024-04-02 23:59:25 UTC</pubDate>
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      <item>
         <title>H(수소) 원지번호 1번</title>
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         <pubDate>2024-04-02 23:59:30 UTC</pubDate>
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      <item>
         <title>1  [H]수소</title>
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         <pubDate>2024-04-02 23:59:45 UTC</pubDate>
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      <item>
         <title>H(수소)-원자번호 1번</title>
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         <pubDate>2024-04-03 00:00:03 UTC</pubDate>
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      <item>
         <title>5번 붕소 (B)</title>
         <author></author>
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         <pubDate>2024-04-03 00:00:03 UTC</pubDate>
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         <title>1 H (수소)</title>
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         <pubDate>2024-04-03 00:00:17 UTC</pubDate>
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      <item>
         <title>6번 탄소 (C)</title>
         <author></author>
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         <pubDate>2024-04-03 00:00:18 UTC</pubDate>
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      <item>
         <title>7번 질소 (N)</title>
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         <pubDate>2024-04-03 00:00:39 UTC</pubDate>
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      <item>
         <title>8번 산소 (O)</title>
         <author></author>
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         <pubDate>2024-04-03 00:01:11 UTC</pubDate>
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      <item>
         <title>모둠원</title>
         <author></author>
         <link>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940976140</link>
         <description><![CDATA[<p>1302김소민</p><p>1308나요랑</p><p>1310박예림</p><p>1317정다영</p>]]></description>
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         <pubDate>2024-04-03 00:01:13 UTC</pubDate>
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      <item>
         <title>He(헬륨)-원소기호 2번</title>
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         <pubDate>2024-04-03 00:01:13 UTC</pubDate>
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      <item>
         <title>모둠원</title>
         <author></author>
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         <description><![CDATA[<p>1306 김찬주</p><p>1321 조선봉</p><p>1319 정혜원</p><p>1313 이수지 </p>]]></description>
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         <pubDate>2024-04-03 00:01:21 UTC</pubDate>
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         <title>9번 플루오린 (F)</title>
         <author></author>
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         <pubDate>2024-04-03 00:01:27 UTC</pubDate>
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      <item>
         <title>10번 네온 (Ne)</title>
         <author></author>
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         <pubDate>2024-04-03 00:01:41 UTC</pubDate>
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      <item>
         <title>He( 헬륨)원자번호 2번</title>
         <author></author>
         <link>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940976549</link>
         <description><![CDATA[]]></description>
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         <pubDate>2024-04-03 00:01:46 UTC</pubDate>
         <guid>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940976549</guid>
      </item>
      <item>
         <title>1번 수소(H)</title>
         <author></author>
         <link>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940976556</link>
         <description><![CDATA[]]></description>
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         <pubDate>2024-04-03 00:01:46 UTC</pubDate>
         <guid>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940976556</guid>
      </item>
      <item>
         <title>11번 나트륨 (Na)</title>
         <author></author>
         <link>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940976718</link>
         <description><![CDATA[]]></description>
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         <pubDate>2024-04-03 00:02:00 UTC</pubDate>
         <guid>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940976718</guid>
      </item>
      <item>
         <title>2번 헬륨 (He)</title>
         <author></author>
         <link>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940977111</link>
         <description><![CDATA[]]></description>
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         <pubDate>2024-04-03 00:02:12 UTC</pubDate>
         <guid>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940977111</guid>
      </item>
      <item>
         <title>12번 마그네슘 (Mg)</title>
         <author></author>
         <link>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940977212</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/1494185079/c79a050f53410ac6b2b0291838ea0f69/image.jpg" />
         <pubDate>2024-04-03 00:02:18 UTC</pubDate>
         <guid>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940977212</guid>
      </item>
      <item>
         <title>Li(리튬) 원자번호 3</title>
         <author></author>
         <link>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940977318</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/2409587051/5aa386b906d6b8dd700dda58a9154c99/image.jpg" />
         <pubDate>2024-04-03 00:02:26 UTC</pubDate>
         <guid>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940977318</guid>
      </item>
      <item>
         <title>Li(리튬)-원소기호 3번</title>
         <author></author>
         <link>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940977353</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/2034657779/44e901aa9f194cbdd3115c8dcad65e43/image.jpg" />
         <pubDate>2024-04-03 00:02:30 UTC</pubDate>
         <guid>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940977353</guid>
      </item>
      <item>
         <title>13번 알루미늄 (Al)</title>
         <author></author>
         <link>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940977384</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/1494185079/34828e8f4283fe7575829469c9779e93/image.jpg" />
         <pubDate>2024-04-03 00:02:32 UTC</pubDate>
         <guid>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940977384</guid>
      </item>
      <item>
         <title>14번 규소 (Si)</title>
         <author></author>
         <link>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940977682</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/1494185079/4bb5c839604f500b862c130cb3a5fab0/image.jpg" />
         <pubDate>2024-04-03 00:02:46 UTC</pubDate>
         <guid>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940977682</guid>
      </item>
      <item>
         <title>3번 리튬(Li)</title>
         <author></author>
         <link>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940977841</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/2409587443/8532457ea0a1bb9984b7fbbad8f396ec/image.jpg" />
         <pubDate>2024-04-03 00:02:57 UTC</pubDate>
         <guid>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940977841</guid>
      </item>
      <item>
         <title>15번 인 (P)</title>
         <author></author>
         <link>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940977867</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/1494185079/61eadf5e625743333439719fbde34bb4/image.jpg" />
         <pubDate>2024-04-03 00:02:59 UTC</pubDate>
         <guid>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940977867</guid>
      </item>
      <item>
         <title>16번 황 (S)</title>
         <author></author>
         <link>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940978026</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/1494185079/900a7a6cc9ccdd363d32e508494b17dc/image.jpg" />
         <pubDate>2024-04-03 00:03:14 UTC</pubDate>
         <guid>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940978026</guid>
      </item>
      <item>
         <title>Be(베릴륨)-원소기호 4번</title>
         <author></author>
         <link>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940978115</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/2034657779/f9c6cea2934afddc6b93f89a71580210/image.jpg" />
         <pubDate>2024-04-03 00:03:20 UTC</pubDate>
         <guid>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940978115</guid>
      </item>
      <item>
         <title>17번 염소 (Cl)</title>
         <author></author>
         <link>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940978234</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/1494185079/5a2d00cdc827f31cb8890257cb6e7fca/image.jpg" />
         <pubDate>2024-04-03 00:03:31 UTC</pubDate>
         <guid>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940978234</guid>
      </item>
      <item>
         <title>4번 베릴륨 (Be)</title>
         <author></author>
         <link>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940978336</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/2409587443/3e952f8a96aff5f5a094339bb46ab2c6/image.jpg" />
         <pubDate>2024-04-03 00:03:38 UTC</pubDate>
         <guid>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940978336</guid>
      </item>
      <item>
         <title>Be(베릴륨)원자번호4</title>
         <author></author>
         <link>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940978356</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/2409587051/322cf0535c324aea1b98ec23358e8938/image.jpg" />
         <pubDate>2024-04-03 00:03:39 UTC</pubDate>
         <guid>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940978356</guid>
      </item>
      <item>
         <title>18번 아르곤 (Ar)</title>
         <author></author>
         <link>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940978514</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/1494185079/998fbce6cc82e1a67a731fb119b71475/image.jpg" />
         <pubDate>2024-04-03 00:03:52 UTC</pubDate>
         <guid>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940978514</guid>
      </item>
      <item>
         <title>B(붕소)-원소기호 5번</title>
         <author></author>
         <link>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940978673</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/2034657779/1f82c930cee45337d0b2643a5a6c4fda/image.jpg" />
         <pubDate>2024-04-03 00:04:05 UTC</pubDate>
         <guid>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940978673</guid>
      </item>
      <item>
         <title>19번 칼륨 (K)</title>
         <author></author>
         <link>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940978719</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/1494185079/807e47f78544dfb9b08dda13212c67fe/image.jpg" />
         <pubDate>2024-04-03 00:04:09 UTC</pubDate>
         <guid>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940978719</guid>
      </item>
      <item>
         <title>20번 칼슘 (Ca)</title>
         <author></author>
         <link>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940979141</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/1494185079/d773b4def8fb8da0ebdad35847b2005a/image.jpg" />
         <pubDate>2024-04-03 00:04:24 UTC</pubDate>
         <guid>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940979141</guid>
      </item>
      <item>
         <title>5번 붕소 (B)</title>
         <author></author>
         <link>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940979271</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/2409587443/62924a0f25c4d0b44e54af8ef59aa52d/image.jpg" />
         <pubDate>2024-04-03 00:04:33 UTC</pubDate>
         <guid>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940979271</guid>
      </item>
      <item>
         <title>C(탄소)-원소기호 6번</title>
         <author></author>
         <link>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940979359</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/2034657779/d026436ae7d09f055376977de144079a/image.jpg" />
         <pubDate>2024-04-03 00:04:39 UTC</pubDate>
         <guid>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940979359</guid>
      </item>
      <item>
         <title>He 헬륨 2번</title>
         <author></author>
         <link>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940979532</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/2409587048/555269577c68f17ef87781d7ce68b932/20240403_090411.jpg" />
         <pubDate>2024-04-03 00:04:53 UTC</pubDate>
         <guid>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940979532</guid>
      </item>
      <item>
         <title>B(붕소)원자번호5</title>
         <author></author>
         <link>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940979631</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/2409587051/0fe2268d5c15b332df815664bacd2aee/image.jpg" />
         <pubDate>2024-04-03 00:05:01 UTC</pubDate>
         <guid>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940979631</guid>
      </item>
      <item>
         <title>N(질소)-원소기호 7번</title>
         <author></author>
         <link>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940979789</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/2034657779/16d5448edc129f99615daeeaa5df425f/image.jpg" />
         <pubDate>2024-04-03 00:05:14 UTC</pubDate>
         <guid>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940979789</guid>
      </item>
      <item>
         <title>C(탄소) 원자번호6</title>
         <author></author>
         <link>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940980337</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/2409587051/7f2e1da2cb1ac854ac160e306e39a971/image.jpg" />
         <pubDate>2024-04-03 00:05:57 UTC</pubDate>
         <guid>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940980337</guid>
      </item>
      <item>
         <title>O(산소)-원소기호 8번</title>
         <author></author>
         <link>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940980366</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/2034657779/a9bdd8340da4aaa1dda5b87cb66ba2ef/image.jpg" />
         <pubDate>2024-04-03 00:05:59 UTC</pubDate>
         <guid>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940980366</guid>
      </item>
      <item>
         <title>6번 탄소 (C)</title>
         <author></author>
         <link>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940980387</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/2409587443/52c671bedd127b4af2651f4f4a2034c0/image.jpg" />
         <pubDate>2024-04-03 00:06:01 UTC</pubDate>
         <guid>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940980387</guid>
      </item>
      <item>
         <title>Li 리튬 3번</title>
         <author></author>
         <link>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940980812</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/2409587048/9da16c8da313e8e13ccc4cdc09c48436/20240403_090429.jpg" />
         <pubDate>2024-04-03 00:06:31 UTC</pubDate>
         <guid>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940980812</guid>
      </item>
      <item>
         <title>7번 질소 (N)</title>
         <author></author>
         <link>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940980847</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/2409587443/14cc169dfcf221ab7ad0291ae6c2b5c4/image.jpg" />
         <pubDate>2024-04-03 00:06:33 UTC</pubDate>
         <guid>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940980847</guid>
      </item>
      <item>
         <title>N(질소)원자번호7</title>
         <author></author>
         <link>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940980988</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/2409587051/443d915028ea261363db320b9c05e50e/image.jpg" />
         <pubDate>2024-04-03 00:06:43 UTC</pubDate>
         <guid>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940980988</guid>
      </item>
      <item>
         <title>Be 베릴륨 4번</title>
         <author></author>
         <link>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940981085</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/2409587048/5ae95e12ff1d537e400f04c7e6599695/20240403_090533.jpg" />
         <pubDate>2024-04-03 00:06:50 UTC</pubDate>
         <guid>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940981085</guid>
      </item>
      <item>
         <title>F(플루오린)-원소기호 9번</title>
         <author></author>
         <link>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940981140</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/2034657779/cc24d8fd53c4ffbcf553e439170c1be7/image.jpg" />
         <pubDate>2024-04-03 00:06:53 UTC</pubDate>
         <guid>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940981140</guid>
      </item>
      <item>
         <title>8번 산소 (O)</title>
         <author></author>
         <link>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940981470</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/2409587443/39c9d1f7e626a34accfeded57ae88ccf/image.jpg" />
         <pubDate>2024-04-03 00:07:19 UTC</pubDate>
         <guid>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940981470</guid>
      </item>
      <item>
         <title>O(산소) 원자번호8</title>
         <author></author>
         <link>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940981627</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/2409587051/80fa8b3df90baff191ac25121487e1f3/image.jpg" />
         <pubDate>2024-04-03 00:07:29 UTC</pubDate>
         <guid>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940981627</guid>
      </item>
      <item>
         <title>Ne(네온)-원소기호 10번</title>
         <author></author>
         <link>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940981724</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/2034657779/52b1522c897d28c8da2da8604471d35c/image.jpg" />
         <pubDate>2024-04-03 00:07:38 UTC</pubDate>
         <guid>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940981724</guid>
      </item>
      <item>
         <title>B 붕소 5번</title>
         <author></author>
         <link>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940981946</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/2409587048/838bff68b12783dcc7d1d76173f5ffec/17121028609573701572128714125293.jpg" />
         <pubDate>2024-04-03 00:07:52 UTC</pubDate>
         <guid>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940981946</guid>
      </item>
      <item>
         <title>9번 플루오린 (F)</title>
         <author></author>
         <link>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940982051</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/2409587443/479f2f844344031707dcd9d1872124af/image.jpg" />
         <pubDate>2024-04-03 00:07:56 UTC</pubDate>
         <guid>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940982051</guid>
      </item>
      <item>
         <title>Na(나트륨)-원소기호 11번</title>
         <author></author>
         <link>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940982323</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/2034657779/8fc4ab8d9e1d202e7f5675bcdca66086/image.jpg" />
         <pubDate>2024-04-03 00:08:17 UTC</pubDate>
         <guid>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940982323</guid>
      </item>
      <item>
         <title>F(플루오린)원자번호 9</title>
         <author></author>
         <link>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940982503</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/2409587051/7e4f3b153c34504dae2d2c5b558cce47/image.jpg" />
         <pubDate>2024-04-03 00:08:30 UTC</pubDate>
         <guid>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940982503</guid>
      </item>
      <item>
         <title>C 탄소 6번</title>
         <author></author>
         <link>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940982557</link>
         <description><![CDATA[]]></description>
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         <pubDate>2024-04-03 00:08:34 UTC</pubDate>
         <guid>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940982557</guid>
      </item>
      <item>
         <title>10번 네온 (Ne)</title>
         <author></author>
         <link>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940982594</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/2409587443/fab2f5713ddc5265fd518e8b5313a647/image.jpg" />
         <pubDate>2024-04-03 00:08:37 UTC</pubDate>
         <guid>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940982594</guid>
      </item>
      <item>
         <title>Mg(마그네슘)-원소기호 12번</title>
         <author></author>
         <link>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940982995</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/2034657779/ddbe21badcc91b6825980a34c8c539ae/image.jpg" />
         <pubDate>2024-04-03 00:09:00 UTC</pubDate>
         <guid>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940982995</guid>
      </item>
      <item>
         <title>Ne(네온) 원지번호10</title>
         <author></author>
         <link>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940983023</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/2409587051/2ba39d47f3a15e0adb82fbc19a7a7dc0/image.jpg" />
         <pubDate>2024-04-03 00:09:02 UTC</pubDate>
         <guid>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940983023</guid>
      </item>
      <item>
         <title>N 질소 7번</title>
         <author></author>
         <link>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940983165</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/2409587048/ea4e2baa4d96fad5166505712f3c4bc9/17121029433432712563177821974549.jpg" />
         <pubDate>2024-04-03 00:09:13 UTC</pubDate>
         <guid>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940983165</guid>
      </item>
      <item>
         <title>11번 나트륨 (Na)</title>
         <author></author>
         <link>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940983449</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/2409587443/f32bdb02878d8c2fca97db4a6b92a8b3/image.jpg" />
         <pubDate>2024-04-03 00:09:19 UTC</pubDate>
         <guid>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940983449</guid>
      </item>
      <item>
         <title>Na(나트륨) 원자번호11</title>
         <author></author>
         <link>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940983710</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/2409587051/4085e7ff2db23996b257f58c6ce3eb55/image.jpg" />
         <pubDate>2024-04-03 00:09:36 UTC</pubDate>
         <guid>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940983710</guid>
      </item>
      <item>
         <title>Al(알루미늄)-원소기호 13번</title>
         <author></author>
         <link>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940983921</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/2034657779/eeb5b3603baa113efb258dc251438d1e/image.jpg" />
         <pubDate>2024-04-03 00:09:50 UTC</pubDate>
         <guid>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940983921</guid>
      </item>
      <item>
         <title>O 산소 8번</title>
         <author></author>
         <link>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940983935</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/2409587048/7c1eb4367a83fd2cd502e74f8969cd6b/1712102972885416880314228702016.jpg" />
         <pubDate>2024-04-03 00:09:52 UTC</pubDate>
         <guid>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940983935</guid>
      </item>
      <item>
         <title>12번 마그네슘 (Mg)</title>
         <author></author>
         <link>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940984301</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/2409587443/367001df91744535456bbe4935dd90d1/image.jpg" />
         <pubDate>2024-04-03 00:10:18 UTC</pubDate>
         <guid>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940984301</guid>
      </item>
      <item>
         <title>Mg(마그네슘)원자번호12</title>
         <author></author>
         <link>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940984329</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/2409587051/5bf505e12188f637f5d1aa467b784989/image.jpg" />
         <pubDate>2024-04-03 00:10:20 UTC</pubDate>
         <guid>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940984329</guid>
      </item>
      <item>
         <title>2 He (헬륨)</title>
         <author>jhyew6</author>
         <link>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940984486</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/2409587983/3040e4cb81a3bbad8de400a4db98ad22/20240403_090554.jpg" />
         <pubDate>2024-04-03 00:10:31 UTC</pubDate>
         <guid>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940984486</guid>
      </item>
      <item>
         <title>F 플루오린 9번</title>
         <author></author>
         <link>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940984524</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/2409587048/76e0c8eaad9d923b5f52ad7b1238c15a/17121030238448181788795921404567.jpg" />
         <pubDate>2024-04-03 00:10:33 UTC</pubDate>
         <guid>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940984524</guid>
      </item>
      <item>
         <title>Si(규소)-원소기호 14번</title>
         <author></author>
         <link>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940984544</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/2034657779/74278a77e3872b91d55309c83b0ce6b9/image.jpg" />
         <pubDate>2024-04-03 00:10:34 UTC</pubDate>
         <guid>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940984544</guid>
      </item>
      <item>
         <title>Ne 네온 10번</title>
         <author></author>
         <link>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940984906</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/2409587048/2d37130b1de07df4c51611eb99cebfcb/17121030443211229894257833562519.jpg" />
         <pubDate>2024-04-03 00:10:59 UTC</pubDate>
         <guid>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940984906</guid>
      </item>
      <item>
         <title>Al(알류미늄) 원자범호13</title>
         <author></author>
         <link>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940985069</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/2409587051/c5ba775dfd1f71e957e174b6e9ccbf64/image.jpg" />
         <pubDate>2024-04-03 00:11:03 UTC</pubDate>
         <guid>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940985069</guid>
      </item>
      <item>
         <title>13번 알루미늄 (Al)</title>
         <author></author>
         <link>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940985238</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/2409587443/dfcb8be5996a99ca9118cee151292b09/image.jpg" />
         <pubDate>2024-04-03 00:11:14 UTC</pubDate>
         <guid>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940985238</guid>
      </item>
      <item>
         <title>P(인)-원소기호 15번</title>
         <author></author>
         <link>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940985383</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/2034657779/dd35a1ce0b7ab6cd39ae03926b9d814e/image.jpg" />
         <pubDate>2024-04-03 00:11:21 UTC</pubDate>
         <guid>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940985383</guid>
      </item>
      <item>
         <title>Na 나트륨 11번</title>
         <author></author>
         <link>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940985697</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/2409587048/c5d39ea98608fd2c68e144b28233b75f/17121030840308685024931006512436.jpg" />
         <pubDate>2024-04-03 00:11:41 UTC</pubDate>
         <guid>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940985697</guid>
      </item>
      <item>
         <title>Si(규소)원자번호 14</title>
         <author></author>
         <link>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940985791</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/2409587051/3c3613326c147e0e52c1081ea5495b36/image.jpg" />
         <pubDate>2024-04-03 00:11:47 UTC</pubDate>
         <guid>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940985791</guid>
      </item>
      <item>
         <title>14번 규소 (Si)</title>
         <author></author>
         <link>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940986044</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/2409587443/c93bc976ae085912dc0c9e4d86c5aae5/image.jpg" />
         <pubDate>2024-04-03 00:12:04 UTC</pubDate>
         <guid>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940986044</guid>
      </item>
      <item>
         <title>S(황)-원소기호 16번</title>
         <author></author>
         <link>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940986122</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/2034657779/ddc0e6087f9310e93144e8679774865b/image.jpg" />
         <pubDate>2024-04-03 00:12:09 UTC</pubDate>
         <guid>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940986122</guid>
      </item>
      <item>
         <title>3 Li (리튬)</title>
         <author>jhyew6</author>
         <link>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940986403</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/2409587983/ed8d45d231c5843a36d5240cd5090282/20240403_090600.jpg" />
         <pubDate>2024-04-03 00:12:28 UTC</pubDate>
         <guid>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940986403</guid>
      </item>
      <item>
         <title>Mg 마그네슘 12번</title>
         <author></author>
         <link>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940986508</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/2409587048/4cb0217c698b8382d1b476f2984d554a/1712103134709864534617597973456.jpg" />
         <pubDate>2024-04-03 00:12:33 UTC</pubDate>
         <guid>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940986508</guid>
      </item>
      <item>
         <title>Pe(인) 원자번호15</title>
         <author></author>
         <link>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940986548</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/2409587051/3f24efd49e8fb0c09a36af011cfcd2db/image.jpg" />
         <pubDate>2024-04-03 00:12:36 UTC</pubDate>
         <guid>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940986548</guid>
      </item>
      <item>
         <title>4 Be (베릴륨)</title>
         <author>jhyew6</author>
         <link>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940986923</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/2409587983/ae8936363400ab4aded0d80cf454bb44/20240403_090605.jpg" />
         <pubDate>2024-04-03 00:12:58 UTC</pubDate>
         <guid>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940986923</guid>
      </item>
      <item>
         <title>Cl(염소)-원소기호 17번</title>
         <author></author>
         <link>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940986942</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/2034657779/aba243676d119083afba1a0f1b4dbf99/image.jpg" />
         <pubDate>2024-04-03 00:12:59 UTC</pubDate>
         <guid>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940986942</guid>
      </item>
      <item>
         <title>15번 인 (P)</title>
         <author></author>
         <link>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940987047</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/2409587443/7ae82b7f325293734d70961fbafe06dc/image.jpg" />
         <pubDate>2024-04-03 00:13:08 UTC</pubDate>
         <guid>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940987047</guid>
      </item>
      <item>
         <title>Al 알류미늄 13번</title>
         <author></author>
         <link>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940987083</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/2409587048/36394178da9dc15a0db926189cff1812/17121031690418225502184121551063.jpg" />
         <pubDate>2024-04-03 00:13:10 UTC</pubDate>
         <guid>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940987083</guid>
      </item>
      <item>
         <title>S(황)원자번호16</title>
         <author></author>
         <link>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940987266</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/2409587051/9153733cb4a1fe882f0d7dd0cac5ebcb/image.jpg" />
         <pubDate>2024-04-03 00:13:18 UTC</pubDate>
         <guid>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940987266</guid>
      </item>
      <item>
         <title>Ar(아르곤)-원소기호 18번</title>
         <author></author>
         <link>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940987559</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/2034657779/2c8d1a1459a5a1e68dee27ad7c901601/image.jpg" />
         <pubDate>2024-04-03 00:13:38 UTC</pubDate>
         <guid>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940987559</guid>
      </item>
      <item>
         <title>Si 규소 14번</title>
         <author></author>
         <link>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940987763</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/2409587048/cb52046c46d11637a65d670da8b8609e/17121032164948268333510837306103.jpg" />
         <pubDate>2024-04-03 00:13:53 UTC</pubDate>
         <guid>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940987763</guid>
      </item>
      <item>
         <title>Cl(염소)원자번호17</title>
         <author></author>
         <link>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940987783</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/2409587051/219a456365d325c8b4fd1165182a9ef4/image.jpg" />
         <pubDate>2024-04-03 00:13:55 UTC</pubDate>
         <guid>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940987783</guid>
      </item>
      <item>
         <title>16번 황 (S)</title>
         <author></author>
         <link>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940987853</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/2409587443/881f4ebdbc493959407a2c2e5343e7aa/image.jpg" />
         <pubDate>2024-04-03 00:14:00 UTC</pubDate>
         <guid>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940987853</guid>
      </item>
      <item>
         <title>K(칼륨)-원소기호 19번</title>
         <author></author>
         <link>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940988229</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/2034657779/928a06578bb1625b303052285c33a3ef/image.jpg" />
         <pubDate>2024-04-03 00:14:21 UTC</pubDate>
         <guid>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940988229</guid>
      </item>
      <item>
         <title>5 B (붕소)</title>
         <author>jhyew6</author>
         <link>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940988461</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/2409587983/0ef297a5ddde97ad34c9ea84284e2f52/20240403_090611.jpg" />
         <pubDate>2024-04-03 00:14:37 UTC</pubDate>
         <guid>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940988461</guid>
      </item>
      <item>
         <title>Ar(아르곤)원자번호18</title>
         <author></author>
         <link>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940988463</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/2409587051/9a4ce91fd5d5e863b0f671119f64d926/image.jpg" />
         <pubDate>2024-04-03 00:14:37 UTC</pubDate>
         <guid>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940988463</guid>
      </item>
      <item>
         <title>P 인 15번</title>
         <author></author>
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         <pubDate>2024-04-03 00:14:45 UTC</pubDate>
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      <item>
         <title>Ca(칼슘)-원소기호 20번</title>
         <author></author>
         <link>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940988774</link>
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         <pubDate>2024-04-03 00:14:59 UTC</pubDate>
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      <item>
         <title>17번 염소 (Cl)</title>
         <author></author>
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         <pubDate>2024-04-03 00:15:12 UTC</pubDate>
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      <item>
         <title>K(칼륨)원자번호19</title>
         <author></author>
         <link>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940988965</link>
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         <pubDate>2024-04-03 00:15:12 UTC</pubDate>
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      <item>
         <title>4번 베릴륨 (Be)</title>
         <author></author>
         <link>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940989019</link>
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         <pubDate>2024-04-03 00:15:16 UTC</pubDate>
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      </item>
      <item>
         <title>S 황 16번</title>
         <author></author>
         <link>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940989171</link>
         <description><![CDATA[]]></description>
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         <pubDate>2024-04-03 00:15:24 UTC</pubDate>
         <guid>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940989171</guid>
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      <item>
         <title>Ca(칼슘) 원자번호20</title>
         <author></author>
         <link>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940989601</link>
         <description><![CDATA[]]></description>
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         <pubDate>2024-04-03 00:15:51 UTC</pubDate>
         <guid>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940989601</guid>
      </item>
      <item>
         <title>18번 아르곤 (Ar)</title>
         <author></author>
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         <description><![CDATA[]]></description>
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         <pubDate>2024-04-03 00:15:53 UTC</pubDate>
         <guid>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940989649</guid>
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      <item>
         <title>6 C (탄소)</title>
         <author>jhyew6</author>
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         <description><![CDATA[]]></description>
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         <pubDate>2024-04-03 00:15:55 UTC</pubDate>
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      <item>
         <title>Cl 염소 17번</title>
         <author></author>
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         <pubDate>2024-04-03 00:16:08 UTC</pubDate>
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      <item>
         <title>Ar 아르곤 18번</title>
         <author></author>
         <link>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940990386</link>
         <description><![CDATA[]]></description>
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         <pubDate>2024-04-03 00:16:35 UTC</pubDate>
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      <item>
         <title>19번 칼륨 (K)</title>
         <author></author>
         <link>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940990861</link>
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         <pubDate>2024-04-03 00:17:00 UTC</pubDate>
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      <item>
         <title>K 칼륨 19번</title>
         <author></author>
         <link>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940990934</link>
         <description><![CDATA[]]></description>
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         <pubDate>2024-04-03 00:17:05 UTC</pubDate>
         <guid>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940990934</guid>
      </item>
      <item>
         <title>7 N (질소</title>
         <author>jhyew6</author>
         <link>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940991153</link>
         <description><![CDATA[]]></description>
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         <pubDate>2024-04-03 00:17:16 UTC</pubDate>
         <guid>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940991153</guid>
      </item>
      <item>
         <title>Ca 칼슘 20번</title>
         <author></author>
         <link>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940991308</link>
         <description><![CDATA[]]></description>
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         <pubDate>2024-04-03 00:17:27 UTC</pubDate>
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      <item>
         <title>20번 칼슘 (Ca)</title>
         <author></author>
         <link>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940991555</link>
         <description><![CDATA[]]></description>
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         <pubDate>2024-04-03 00:17:42 UTC</pubDate>
         <guid>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940991555</guid>
      </item>
      <item>
         <title>8 O 산소</title>
         <author>jhyew6</author>
         <link>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940992622</link>
         <description><![CDATA[]]></description>
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         <pubDate>2024-04-03 00:18:42 UTC</pubDate>
         <guid>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940992622</guid>
      </item>
      <item>
         <title>9 F 플루오르</title>
         <author>jhyew6</author>
         <link>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940993565</link>
         <description><![CDATA[]]></description>
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         <pubDate>2024-04-03 00:19:36 UTC</pubDate>
         <guid>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940993565</guid>
      </item>
      <item>
         <title>10 Ne 네온</title>
         <author>jhyew6</author>
         <link>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940994005</link>
         <description><![CDATA[]]></description>
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         <pubDate>2024-04-03 00:19:56 UTC</pubDate>
         <guid>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940994005</guid>
      </item>
      <item>
         <title>11 Na 나트륨</title>
         <author>jhyew6</author>
         <link>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940994854</link>
         <description><![CDATA[]]></description>
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         <pubDate>2024-04-03 00:20:37 UTC</pubDate>
         <guid>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940994854</guid>
      </item>
      <item>
         <title>12 Mg 마그네슘</title>
         <author>jhyew6</author>
         <link>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940995258</link>
         <description><![CDATA[]]></description>
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         <pubDate>2024-04-03 00:20:56 UTC</pubDate>
         <guid>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940995258</guid>
      </item>
      <item>
         <title>13 Al 알루미늄</title>
         <author>jhyew6</author>
         <link>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940995767</link>
         <description><![CDATA[]]></description>
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         <pubDate>2024-04-03 00:21:23 UTC</pubDate>
         <guid>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940995767</guid>
      </item>
      <item>
         <title>14 Si 규소</title>
         <author>jhyew6</author>
         <link>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940996567</link>
         <description><![CDATA[]]></description>
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         <pubDate>2024-04-03 00:22:03 UTC</pubDate>
         <guid>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940996567</guid>
      </item>
      <item>
         <title>15 P 인</title>
         <author>jhyew6</author>
         <link>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940996865</link>
         <description><![CDATA[]]></description>
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         <pubDate>2024-04-03 00:22:17 UTC</pubDate>
         <guid>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940996865</guid>
      </item>
      <item>
         <title>16 S 황</title>
         <author>jhyew6</author>
         <link>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940998502</link>
         <description><![CDATA[]]></description>
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         <pubDate>2024-04-03 00:23:38 UTC</pubDate>
         <guid>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940998502</guid>
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      <item>
         <title>17 Cl 염소</title>
         <author>jhyew6</author>
         <link>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940999013</link>
         <description><![CDATA[]]></description>
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         <pubDate>2024-04-03 00:24:03 UTC</pubDate>
         <guid>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940999013</guid>
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         <title>18 Ar 아르곤</title>
         <author>jhyew6</author>
         <link>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940999451</link>
         <description><![CDATA[]]></description>
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         <pubDate>2024-04-03 00:24:27 UTC</pubDate>
         <guid>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940999451</guid>
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         <title>19 K 칼륨</title>
         <author>jhyew6</author>
         <link>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940999785</link>
         <description><![CDATA[]]></description>
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         <pubDate>2024-04-03 00:24:44 UTC</pubDate>
         <guid>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2940999785</guid>
      </item>
      <item>
         <title>20 Ca 칼숭</title>
         <author>jhyew6</author>
         <link>https://padlet.com/ds3349/5ky13c7bo4tdmmwb/wish/2941000594</link>
         <description><![CDATA[]]></description>
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         <pubDate>2024-04-03 00:25:26 UTC</pubDate>
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