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      <title>Periodic Table by </title>
      <link>https://padlet.com/nhanelin/e0rdoheynzdrn0p6</link>
      <description>After receiving an element in class. Take some time to research your element for 15-30 minutes. Your post below will be a summary of what you have learned. Please include: Element Name, Atomic Number, Atomic Mass, Standard State, Atomic Radius(pm), Melting Point(K), Boiling Point(K), Year Discovered,  3 things that use your element, and a picture. Lastly, place your post in the right element group.</description>
      <language>en-us</language>
      <pubDate>2023-02-28 18:32:45 UTC</pubDate>
      <lastBuildDate>2025-12-08 11:49:51 UTC</lastBuildDate>
      <webMaster>hello@padlet.com</webMaster>
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      <item>
         <title>Sodium (Na)</title>
         <author>nhanelin</author>
         <link>https://padlet.com/nhanelin/e0rdoheynzdrn0p6/wish/2498472742</link>
         <description><![CDATA[<div>Atomic #: 11<br>Atomic Mass: 22<br>Standard State: Solid<br>Atomic Radius(pm): 227<br>Melting Point(K): 370.95<br>Boiling Point(K): 1156<br>Year Discovered: 1807<br>Uses:&nbsp;Glass, Soap, Salt</div>]]></description>
         <enclosure url="http://www.chemistrylearner.com/wp-content/uploads/2018/09/Sodium.jpg" />
         <pubDate>2023-02-28 19:01:54 UTC</pubDate>
         <guid>https://padlet.com/nhanelin/e0rdoheynzdrn0p6/wish/2498472742</guid>
      </item>
      <item>
         <title>Calcium (Ca)</title>
         <author>nhanelin</author>
         <link>https://padlet.com/nhanelin/e0rdoheynzdrn0p6/wish/2498479708</link>
         <description><![CDATA[<div>Atomic #: 20<br>Atomic Mass: 40<br>Standard State: Solid<br>Atomic Radius(pm): 231<br>Melting Point(K): 1115<br>Boiling Point(K): 1757<br>Year Discovered: Ancient<br>Uses: Cement, Electrolytes, Bone growth</div>]]></description>
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         <pubDate>2023-02-28 19:07:11 UTC</pubDate>
         <guid>https://padlet.com/nhanelin/e0rdoheynzdrn0p6/wish/2498479708</guid>
      </item>
      <item>
         <title>Gold (Au)</title>
         <author>nhanelin</author>
         <link>https://padlet.com/nhanelin/e0rdoheynzdrn0p6/wish/2498485392</link>
         <description><![CDATA[<div>Atomic #: 79<br>Atomic Mass: 197<br>Standard State: Solid<br>Atomic Radius(pm): 166<br>Melting Point(K): 1337<br>Boiling Point(K): 3129<br>Year Discovered:&nbsp;Ancient<br>Uses: Jewelry, Currency, Medicines</div>]]></description>
         <enclosure url="https://www.mining.com/wp-content/uploads/2018/03/Gold_nugget_replica_found_23_May_1878_Victoria_Australia_17073401868.jpg" />
         <pubDate>2023-02-28 19:11:36 UTC</pubDate>
         <guid>https://padlet.com/nhanelin/e0rdoheynzdrn0p6/wish/2498485392</guid>
      </item>
      <item>
         <title>Aluminum (Al)</title>
         <author>nhanelin</author>
         <link>https://padlet.com/nhanelin/e0rdoheynzdrn0p6/wish/2498490966</link>
         <description><![CDATA[<div>Atomic #: 13<br>Atomic Mass: 27<br>Standard State: Solid<br>Atomic Radius(pm): 184<br>Melting Point(K): 933<br>Boiling Point(K): 2792<br>Year Discovered:&nbsp;Ancient<br>Uses: Cans, Foil, Electrical Cable</div>]]></description>
         <enclosure url="http://images-of-elements.com/aluminium.jpg" />
         <pubDate>2023-02-28 19:15:40 UTC</pubDate>
         <guid>https://padlet.com/nhanelin/e0rdoheynzdrn0p6/wish/2498490966</guid>
      </item>
      <item>
         <title>Silicon (Si)</title>
         <author>nhanelin</author>
         <link>https://padlet.com/nhanelin/e0rdoheynzdrn0p6/wish/2498497178</link>
         <description><![CDATA[<div>Atomic #: 14<br>Atomic Mass: 28<br>Standard State: Solid<br>Atomic Radius(pm): 210<br>Melting Point(K): 1687<br>Boiling Point(K): 3538<br>Year Discovered:&nbsp;1854<br>Uses: Computer Chips, Cosmetics, Ceramics</div>]]></description>
         <enclosure url="https://www.myinterestingfacts.com/wp-content/uploads/2015/07/Silicon-Si.jpg" />
         <pubDate>2023-02-28 19:19:57 UTC</pubDate>
         <guid>https://padlet.com/nhanelin/e0rdoheynzdrn0p6/wish/2498497178</guid>
      </item>
      <item>
         <title>Carbon (C)</title>
         <author>nhanelin</author>
         <link>https://padlet.com/nhanelin/e0rdoheynzdrn0p6/wish/2498502175</link>
         <description><![CDATA[<div>Atomic #: 6<br>Atomic Mass: 12<br>Standard State: Solid<br>Atomic Radius(pm): 170<br>Melting Point(K): 3823<br>Boiling Point(K): 4098 <br>Year Discovered:&nbsp;Ancient<br>Uses: Human Body, Diamonds, Fossil Fuels</div>]]></description>
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         <pubDate>2023-02-28 19:23:11 UTC</pubDate>
         <guid>https://padlet.com/nhanelin/e0rdoheynzdrn0p6/wish/2498502175</guid>
      </item>
      <item>
         <title>Helium (He)</title>
         <author>nhanelin</author>
         <link>https://padlet.com/nhanelin/e0rdoheynzdrn0p6/wish/2498509596</link>
         <description><![CDATA[<div>Atomic #: 2<br>Atomic Mass: 4<br>Standard State: Gas<br>Atomic Radius(pm): 140<br>Melting Point(K): 0.95<br>Boiling Point(K): 4.22<br>Year Discovered:&nbsp;1868<br>Uses: Cryogenics, Welding, Rocketry</div>]]></description>
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         <pubDate>2023-02-28 19:28:10 UTC</pubDate>
         <guid>https://padlet.com/nhanelin/e0rdoheynzdrn0p6/wish/2498509596</guid>
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