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      <title>La línea del tiempo del átomo by Natalia Cristina Estrada Gomez</title>
      <link>https://padlet.com/sh70526845/yqc5vqj6fgmp28qs</link>
      <description>Hecho con una pizca de ingenio</description>
      <language>en-us</language>
      <pubDate>2021-03-29 14:07:01 UTC</pubDate>
      <lastBuildDate>2026-02-15 09:17:43 UTC</lastBuildDate>
      <webMaster>hello@padlet.com</webMaster>
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      <item>
         <title>400 a.C.</title>
         <author>sh61098999</author>
         <link>https://padlet.com/sh70526845/yqc5vqj6fgmp28qs/wish/1364226763</link>
         <description><![CDATA[<div>En Grecia, Demócrito proclama que todos los materiales están formados  por pequeñas partículas, lo cual le llamo átomo que significa "no divisible"</div>]]></description>
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         <pubDate>2021-03-29 14:18:27 UTC</pubDate>
         <guid>https://padlet.com/sh70526845/yqc5vqj6fgmp28qs/wish/1364226763</guid>
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      <item>
         <title>1807</title>
         <author>sh70526845</author>
         <link>https://padlet.com/sh70526845/yqc5vqj6fgmp28qs/wish/1366593151</link>
         <description><![CDATA[<div>El modelo de Dalton estaba formada por partículas muy pequeñas llamadas átomos, que son indivisibles y no se pueden destruir</div>]]></description>
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         <pubDate>2021-03-30 03:30:50 UTC</pubDate>
         <guid>https://padlet.com/sh70526845/yqc5vqj6fgmp28qs/wish/1366593151</guid>
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      <item>
         <title>1808</title>
         <author>sh70526845</author>
         <link>https://padlet.com/sh70526845/yqc5vqj6fgmp28qs/wish/1366687483</link>
         <description><![CDATA[<div>El modelo atómico de Thomson determino que la materia se componía de dos partes una positiva y una negativa. La parte negativa por electrones, lo cual se encontraban inmersos de una masa llena de carga positiva.</div>]]></description>
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         <pubDate>2021-03-30 04:25:33 UTC</pubDate>
         <guid>https://padlet.com/sh70526845/yqc5vqj6fgmp28qs/wish/1366687483</guid>
      </item>
      <item>
         <title>1911</title>
         <author>sh70526845</author>
         <link>https://padlet.com/sh70526845/yqc5vqj6fgmp28qs/wish/1368325191</link>
         <description><![CDATA[<div>el modelo de Ernest Rutherford descubre que la mayor parte del átomo es un espacio vacío e identifica a un núcleo, y definió también unas orbitas alrededor de la materia. &nbsp;</div>]]></description>
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         <pubDate>2021-03-30 14:57:41 UTC</pubDate>
         <guid>https://padlet.com/sh70526845/yqc5vqj6fgmp28qs/wish/1368325191</guid>
      </item>
      <item>
         <title>1913</title>
         <author>sh70526845</author>
         <link>https://padlet.com/sh70526845/yqc5vqj6fgmp28qs/wish/1368741121</link>
         <description><![CDATA[<div>Niels Bohr desarrolla la teoría de la estructura atómica dividiendo en dos partes ; un núcleo y los electrones orbitando alrededor.</div>]]></description>
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         <pubDate>2021-03-30 16:34:28 UTC</pubDate>
         <guid>https://padlet.com/sh70526845/yqc5vqj6fgmp28qs/wish/1368741121</guid>
      </item>
      <item>
         <title>1789</title>
         <author>sh61098999</author>
         <link>https://padlet.com/sh70526845/yqc5vqj6fgmp28qs/wish/1369898200</link>
         <description><![CDATA[<div>El elemento uranio es descubierto por Martin Klaproth</div>]]></description>
         <enclosure url="http://www.explicatorium.com/images/biografias/martin-klaproth.jpg" />
         <pubDate>2021-03-30 22:48:45 UTC</pubDate>
         <guid>https://padlet.com/sh70526845/yqc5vqj6fgmp28qs/wish/1369898200</guid>
      </item>
      <item>
         <title>1833</title>
         <author>sh61098999</author>
         <link>https://padlet.com/sh70526845/yqc5vqj6fgmp28qs/wish/1369900716</link>
         <description><![CDATA[<div>Michael Faraday propuso el concepto de campo electrico </div>]]></description>
         <enclosure url="http://science4fun.info/wp-content/uploads/2019/05/Michael-Faraday.jpg" />
         <pubDate>2021-03-30 22:50:28 UTC</pubDate>
         <guid>https://padlet.com/sh70526845/yqc5vqj6fgmp28qs/wish/1369900716</guid>
      </item>
      <item>
         <title>1862</title>
         <author>sh61098999</author>
         <link>https://padlet.com/sh70526845/yqc5vqj6fgmp28qs/wish/1369902963</link>
         <description><![CDATA[<div>Julius Plucker identificada por primera vez los rayos catódicos</div>]]></description>
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         <pubDate>2021-03-30 22:51:59 UTC</pubDate>
         <guid>https://padlet.com/sh70526845/yqc5vqj6fgmp28qs/wish/1369902963</guid>
      </item>
      <item>
         <title>1869</title>
         <author>sh61098999</author>
         <link>https://padlet.com/sh70526845/yqc5vqj6fgmp28qs/wish/1369909196</link>
         <description><![CDATA[]]></description>
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         <pubDate>2021-03-30 22:56:10 UTC</pubDate>
         <guid>https://padlet.com/sh70526845/yqc5vqj6fgmp28qs/wish/1369909196</guid>
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      <item>
         <title>1878</title>
         <author>sh61098999</author>
         <link>https://padlet.com/sh70526845/yqc5vqj6fgmp28qs/wish/1369913726</link>
         <description><![CDATA[<div>William Crookes confirma la existencia de los rayos catódicos y afirma que son particulas con carga negativa</div>]]></description>
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         <pubDate>2021-03-30 22:59:22 UTC</pubDate>
         <guid>https://padlet.com/sh70526845/yqc5vqj6fgmp28qs/wish/1369913726</guid>
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      <item>
         <title>1883</title>
         <author>sh61098999</author>
         <link>https://padlet.com/sh70526845/yqc5vqj6fgmp28qs/wish/1369918603</link>
         <description><![CDATA[]]></description>
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         <pubDate>2021-03-30 23:02:48 UTC</pubDate>
         <guid>https://padlet.com/sh70526845/yqc5vqj6fgmp28qs/wish/1369918603</guid>
      </item>
      <item>
         <title>1888</title>
         <author>sh61098999</author>
         <link>https://padlet.com/sh70526845/yqc5vqj6fgmp28qs/wish/1369921041</link>
         <description><![CDATA[]]></description>
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         <pubDate>2021-03-30 23:04:29 UTC</pubDate>
         <guid>https://padlet.com/sh70526845/yqc5vqj6fgmp28qs/wish/1369921041</guid>
      </item>
      <item>
         <title>1890</title>
         <author>sh61098999</author>
         <link>https://padlet.com/sh70526845/yqc5vqj6fgmp28qs/wish/1369922388</link>
         <description><![CDATA[]]></description>
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         <pubDate>2021-03-30 23:05:26 UTC</pubDate>
         <guid>https://padlet.com/sh70526845/yqc5vqj6fgmp28qs/wish/1369922388</guid>
      </item>
      <item>
         <title>1897</title>
         <author>sh61098999</author>
         <link>https://padlet.com/sh70526845/yqc5vqj6fgmp28qs/wish/1369925590</link>
         <description><![CDATA[<div>J.J Thomsom establecío la existencia del electron como paticula</div>]]></description>
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         <pubDate>2021-03-30 23:07:39 UTC</pubDate>
         <guid>https://padlet.com/sh70526845/yqc5vqj6fgmp28qs/wish/1369925590</guid>
      </item>
      <item>
         <title>1899</title>
         <author>sh61098999</author>
         <link>https://padlet.com/sh70526845/yqc5vqj6fgmp28qs/wish/1369927626</link>
         <description><![CDATA[]]></description>
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         <pubDate>2021-03-30 23:09:06 UTC</pubDate>
         <guid>https://padlet.com/sh70526845/yqc5vqj6fgmp28qs/wish/1369927626</guid>
      </item>
      <item>
         <title>1900</title>
         <author>sh61098999</author>
         <link>https://padlet.com/sh70526845/yqc5vqj6fgmp28qs/wish/1369928753</link>
         <description><![CDATA[]]></description>
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         <pubDate>2021-03-30 23:09:54 UTC</pubDate>
         <guid>https://padlet.com/sh70526845/yqc5vqj6fgmp28qs/wish/1369928753</guid>
      </item>
      <item>
         <title>1905</title>
         <author>sh61098999</author>
         <link>https://padlet.com/sh70526845/yqc5vqj6fgmp28qs/wish/1369930404</link>
         <description><![CDATA[]]></description>
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         <pubDate>2021-03-30 23:11:02 UTC</pubDate>
         <guid>https://padlet.com/sh70526845/yqc5vqj6fgmp28qs/wish/1369930404</guid>
      </item>
      <item>
         <title>1910</title>
         <author>sh61098999</author>
         <link>https://padlet.com/sh70526845/yqc5vqj6fgmp28qs/wish/1369934485</link>
         <description><![CDATA[<div>Fredick Soddy propone la existencia de los ísotopos</div>]]></description>
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         <pubDate>2021-03-30 23:13:54 UTC</pubDate>
         <guid>https://padlet.com/sh70526845/yqc5vqj6fgmp28qs/wish/1369934485</guid>
      </item>
      <item>
         <title>1919</title>
         <author>sh61098999</author>
         <link>https://padlet.com/sh70526845/yqc5vqj6fgmp28qs/wish/1369937438</link>
         <description><![CDATA[]]></description>
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         <pubDate>2021-03-30 23:15:50 UTC</pubDate>
         <guid>https://padlet.com/sh70526845/yqc5vqj6fgmp28qs/wish/1369937438</guid>
      </item>
      <item>
         <title>1927</title>
         <author>sh61098999</author>
         <link>https://padlet.com/sh70526845/yqc5vqj6fgmp28qs/wish/1369938869</link>
         <description><![CDATA[]]></description>
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         <pubDate>2021-03-30 23:16:45 UTC</pubDate>
         <guid>https://padlet.com/sh70526845/yqc5vqj6fgmp28qs/wish/1369938869</guid>
      </item>
      <item>
         <title>1932</title>
         <author>sh61098999</author>
         <link>https://padlet.com/sh70526845/yqc5vqj6fgmp28qs/wish/1369940334</link>
         <description><![CDATA[<div>James Chadwich descubre el neutrón</div>]]></description>
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         <pubDate>2021-03-30 23:17:45 UTC</pubDate>
         <guid>https://padlet.com/sh70526845/yqc5vqj6fgmp28qs/wish/1369940334</guid>
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