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      <title>Os átomos  by </title>
      <link>https://padlet.com/barbaraandrioli/2t63yamw35zwalg0</link>
      <description>Linha do tempo sobre os átomos (com imagens)</description>
      <language>en-us</language>
      <pubDate>2021-05-14 19:20:08 UTC</pubDate>
      <lastBuildDate>2025-04-19 15:08:52 UTC</lastBuildDate>
      <webMaster>hello@padlet.com</webMaster>
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         <url></url>
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      <item>
         <title> Dalton (1808)</title>
         <author>barbaraandrioli</author>
         <link>https://padlet.com/barbaraandrioli/2t63yamw35zwalg0/wish/1525972722</link>
         <description><![CDATA[<div>Átomo é esférico, maciso e indivisível&nbsp;</div>]]></description>
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         <pubDate>2021-05-14 19:25:05 UTC</pubDate>
         <guid>https://padlet.com/barbaraandrioli/2t63yamw35zwalg0/wish/1525972722</guid>
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      <item>
         <title>Thomson (1897)</title>
         <author>barbaraandrioli</author>
         <link>https://padlet.com/barbaraandrioli/2t63yamw35zwalg0/wish/1525993984</link>
         <description><![CDATA[<div>átomo é uma esfera de carga elétrica positiva, não maciça, incrustada de elétrons (partículas negativas), de modo que sua carga total seja nula.</div>]]></description>
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         <pubDate>2021-05-14 19:32:30 UTC</pubDate>
         <guid>https://padlet.com/barbaraandrioli/2t63yamw35zwalg0/wish/1525993984</guid>
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      <item>
         <title>rutherford (1911)</title>
         <author>barbaraandrioli</author>
         <link>https://padlet.com/barbaraandrioli/2t63yamw35zwalg0/wish/1526237659</link>
         <description><![CDATA[<div>O átomo seria composto por um núcleo muito pequeno e de carga elétrica positiva, que seria equilibrado por elétrons (partículas negativas), que ficavam girando ao redor do núcleo, numa região periférica denominada eletrosfera</div>]]></description>
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         <pubDate>2021-05-14 21:19:07 UTC</pubDate>
         <guid>https://padlet.com/barbaraandrioli/2t63yamw35zwalg0/wish/1526237659</guid>
      </item>
      <item>
         <title>Rutherford-Bohr (1913)</title>
         <author>barbaraandrioli</author>
         <link>https://padlet.com/barbaraandrioli/2t63yamw35zwalg0/wish/1526240976</link>
         <description><![CDATA[<div>Só é permitido ao elétron ocupar níveis energéticos nos quais ele se apresenta com valores de energia múltiplos inteiros de um fóton</div>]]></description>
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         <pubDate>2021-05-14 21:21:03 UTC</pubDate>
         <guid>https://padlet.com/barbaraandrioli/2t63yamw35zwalg0/wish/1526240976</guid>
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      <item>
         <title>Leucipo e Demócrito (442 A.C.)</title>
         <author>barbaraandrioli</author>
         <link>https://padlet.com/barbaraandrioli/2t63yamw35zwalg0/wish/1526257462</link>
         <description><![CDATA[<div>&nbsp; átomos invisíveis e infinitos.</div>]]></description>
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         <pubDate>2021-05-14 21:30:42 UTC</pubDate>
         <guid>https://padlet.com/barbaraandrioli/2t63yamw35zwalg0/wish/1526257462</guid>
      </item>
      <item>
         <title>Aristóteles (450 A.C.)</title>
         <author>barbaraandrioli</author>
         <link>https://padlet.com/barbaraandrioli/2t63yamw35zwalg0/wish/1526262735</link>
         <description><![CDATA[<div>Átomos não existem (a matéria seria formada pelos 4 elementos)</div>]]></description>
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         <pubDate>2021-05-14 21:34:09 UTC</pubDate>
         <guid>https://padlet.com/barbaraandrioli/2t63yamw35zwalg0/wish/1526262735</guid>
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