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      <title>Historia de la quimica  by Vanessa Luciana Mancilla Micheo</title>
      <link>https://padlet.com/vmancilla213061/78vuwmd058xulvzl</link>
      <description>Línea del tiempo</description>
      <language>en-us</language>
      <pubDate>2021-09-03 20:22:43 UTC</pubDate>
      <lastBuildDate>2021-09-03 20:58:40 UTC</lastBuildDate>
      <webMaster>hello@padlet.com</webMaster>
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         <title>METALURGIA</title>
         <author>vmancilla213061</author>
         <link>https://padlet.com/vmancilla213061/78vuwmd058xulvzl/wish/1716016318</link>
         <description><![CDATA[<div>año 5000 a.deC</div><div><br>Extracción de metales<br>Oro AU<br>Plata&nbsp;AG<br>Estaño  CU</div>]]></description>
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         <pubDate>2021-09-03 20:24:51 UTC</pubDate>
         <guid>https://padlet.com/vmancilla213061/78vuwmd058xulvzl/wish/1716016318</guid>
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      <item>
         <title>METALURGIA </title>
         <author>vmancilla213061</author>
         <link>https://padlet.com/vmancilla213061/78vuwmd058xulvzl/wish/1716018670</link>
         <description><![CDATA[<div>Año 4000 a.deC<br><br>Metales&nbsp;<br>Bronce CuSn</div>]]></description>
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         <pubDate>2021-09-03 20:27:16 UTC</pubDate>
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      <item>
         <title>METALURGIA</title>
         <author>vmancilla213061</author>
         <link>https://padlet.com/vmancilla213061/78vuwmd058xulvzl/wish/1716024886</link>
         <description><![CDATA[<div>1200a.deC<br><br>Metal<br>Hierro Fe<br>El <strong>hierro</strong> es el <strong>metal</strong> de transición más abundante en la corteza terrestre,<br><br></div><div><br><br></div>]]></description>
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         <pubDate>2021-09-03 20:33:35 UTC</pubDate>
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      </item>
      <item>
         <title>TEORIA DE LOS 4 ELEMENTOS</title>
         <author>vmancilla213061</author>
         <link>https://padlet.com/vmancilla213061/78vuwmd058xulvzl/wish/1716026977</link>
         <description><![CDATA[<div>Siglo IV a.deC<br><br>La teoría se basa cuando un elemento cambia una de sus cualidades cuando se remplaza por la contraria<br>tierra<br>agua<br>aire<br>fuego<br><br></div>]]></description>
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         <pubDate>2021-09-03 20:35:34 UTC</pubDate>
         <guid>https://padlet.com/vmancilla213061/78vuwmd058xulvzl/wish/1716026977</guid>
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         <title>ALQUIMIA</title>
         <author>vmancilla213061</author>
         <link>https://padlet.com/vmancilla213061/78vuwmd058xulvzl/wish/1716031385</link>
         <description><![CDATA[<div>&nbsp;Siglo Vll de nuestra era&nbsp;<br><br>Todos los metales estaban formados por:<br>Volatil<br>Fuego<br>Cloruro de sodio<br>Amoniaco&nbsp;<br>Acido nítrico<br>Acido silúrico&nbsp;</div>]]></description>
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         <pubDate>2021-09-03 20:40:16 UTC</pubDate>
         <guid>https://padlet.com/vmancilla213061/78vuwmd058xulvzl/wish/1716031385</guid>
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      <item>
         <title>TEORIA DE FLOGISTO</title>
         <author>vmancilla213061</author>
         <link>https://padlet.com/vmancilla213061/78vuwmd058xulvzl/wish/1716037591</link>
         <description><![CDATA[<div>siglo Vll<br><br>Los personajes de la teoría son:<br><br>Ernest Stahl y Marie - Anne Pierrete&nbsp;<br><br>Hablan sobre el triángulo que está conformado por fuego, combustile y calor <br><br></div>]]></description>
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         <pubDate>2021-09-03 20:45:59 UTC</pubDate>
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         <title>ÉPOCA MODERNA </title>
         <author>vmancilla213061</author>
         <link>https://padlet.com/vmancilla213061/78vuwmd058xulvzl/wish/1716042881</link>
         <description><![CDATA[<div>Siglo XVll<br>Padre de la química&nbsp; Antonie Lavoiser&nbsp;<br><br>Habla sobre la ley de conservación de la teoría de &nbsp;<br>hidrógeno&nbsp; mas oxígeno sale el agua&nbsp;</div>]]></description>
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         <pubDate>2021-09-03 20:51:23 UTC</pubDate>
         <guid>https://padlet.com/vmancilla213061/78vuwmd058xulvzl/wish/1716042881</guid>
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      <item>
         <title>SIGLO XlX</title>
         <author>vmancilla213061</author>
         <link>https://padlet.com/vmancilla213061/78vuwmd058xulvzl/wish/1716047813</link>
         <description><![CDATA[<div>Tabla periódica basada en el peso atómico&nbsp;<br>Mendeleie<br>Equilibrio químico&nbsp; Berthollet&nbsp;<br>Teoría científica del átomo por John Dalton&nbsp;</div>]]></description>
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         <pubDate>2021-09-03 20:56:12 UTC</pubDate>
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         <title>SIGLO XX</title>
         <author>vmancilla213061</author>
         <link>https://padlet.com/vmancilla213061/78vuwmd058xulvzl/wish/1716050163</link>
         <description><![CDATA[<div>Sentaron las bases de la teoría del átomo.&nbsp;<br><br>Modelo Bohr iniciativa de las teorías</div>]]></description>
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         <pubDate>2021-09-03 20:58:10 UTC</pubDate>
         <guid>https://padlet.com/vmancilla213061/78vuwmd058xulvzl/wish/1716050163</guid>
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