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      <title>Atom Timeline by Rohma Dar</title>
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      <language>en-us</language>
      <pubDate>2023-10-03 13:20:39 UTC</pubDate>
      <lastBuildDate>2023-10-03 23:06:55 UTC</lastBuildDate>
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         <title>Democritus (~400 BCE)</title>
         <author>rohmad</author>
         <link>https://padlet.com/rohmad/1qyraj1szca3ka8w/wish/2730247760</link>
         <description><![CDATA[<div>Believed that the elements fire, air, earth, and water make up all matter.&nbsp;<br>Not based on any scientific evidence.<br><br><br></div>]]></description>
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         <pubDate>2023-10-03 13:25:55 UTC</pubDate>
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         <title>John Dalton (1803) Billiard Ball Model</title>
         <author>rohmad</author>
         <link>https://padlet.com/rohmad/1qyraj1szca3ka8w/wish/2730256073</link>
         <description><![CDATA[<div>All atoms of the same elements had the same size and mass and atoms of the different elements had different size and mass.<br>Had uniform composition and were indivisible. </div>]]></description>
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         <pubDate>2023-10-03 13:30:18 UTC</pubDate>
         <guid>https://padlet.com/rohmad/1qyraj1szca3ka8w/wish/2730256073</guid>
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         <title>J.J Thompson (1987) Plum Pudding Model</title>
         <author>rohmad</author>
         <link>https://padlet.com/rohmad/1qyraj1szca3ka8w/wish/2730260636</link>
         <description><![CDATA[<div>Atoms are small negative charges floating in a "sea" of positive matter.<br>The plum pudding is an analogy for electrons in an atom.</div>]]></description>
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         <pubDate>2023-10-03 13:32:57 UTC</pubDate>
         <guid>https://padlet.com/rohmad/1qyraj1szca3ka8w/wish/2730260636</guid>
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         <title>Ernest Rutherford (1911) Nuclear Model</title>
         <author>rohmad</author>
         <link>https://padlet.com/rohmad/1qyraj1szca3ka8w/wish/2730266304</link>
         <description><![CDATA[<div>The nucleus, which is the atom's little, dense, and positively charged interior.&nbsp;<br>Established the theory using the gold foil experiment.<br><br><br></div>]]></description>
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         <pubDate>2023-10-03 13:35:53 UTC</pubDate>
         <guid>https://padlet.com/rohmad/1qyraj1szca3ka8w/wish/2730266304</guid>
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         <title>Niels Bohr (1913) Planetary Model</title>
         <author>rohmad</author>
         <link>https://padlet.com/rohmad/1qyraj1szca3ka8w/wish/2730270520</link>
         <description><![CDATA[<div>Electrons were positioned in predictable circular orbits. The closer the electrons, the less energy they have.</div>]]></description>
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         <pubDate>2023-10-03 13:38:06 UTC</pubDate>
         <guid>https://padlet.com/rohmad/1qyraj1szca3ka8w/wish/2730270520</guid>
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         <title>Wave Mechanical Model (1926)</title>
         <author>rohmad</author>
         <link>https://padlet.com/rohmad/1qyraj1szca3ka8w/wish/2731017626</link>
         <description><![CDATA[<div>Electrons exist in orbitals.<br>Orbitals are regions where electrons are most likely to be found.</div><div><br></div>]]></description>
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         <pubDate>2023-10-03 23:03:06 UTC</pubDate>
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