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      <title>Mural  by Artur Emmanuel Martínez Martínez</title>
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      <description></description>
      <language>en-us</language>
      <pubDate>2022-05-16 04:20:41 UTC</pubDate>
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      <item>
         <title>Concepts of matter and its transformations</title>
         <author>aemartinezm</author>
         <link>https://padlet.com/aemartinezm/pxs09jbpyzze5v59/wish/2185102834</link>
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         <pubDate>2022-05-16 04:26:16 UTC</pubDate>
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         <title>4.1 Formation of chemical compounds </title>
         <author>aemartinezm</author>
         <link>https://padlet.com/aemartinezm/pxs09jbpyzze5v59/wish/2185107817</link>
         <description><![CDATA[<div><em><sup>Chemical compounds are formed when two simple substances of metals, or coplex substances, arechemically united. This chemical union is known aschemical bonding.</sup></em></div>]]></description>
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         <pubDate>2022-05-16 04:33:13 UTC</pubDate>
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         <title>Valence Electrons</title>
         <author>aemartinezm</author>
         <link>https://padlet.com/aemartinezm/pxs09jbpyzze5v59/wish/2185116734</link>
         <description><![CDATA[<div><em><sup>The valence electrons are the subatomic particles in which we place the most attention during the chemical bonding of two or more atoms. Usually, they are the electrons located on he last level, but itisn't so in all the elements of the periodic table.&nbsp;</sup></em></div>]]></description>
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         <pubDate>2022-05-16 04:44:14 UTC</pubDate>
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         <title>Electronegativity</title>
         <author>aemartinezm</author>
         <link>https://padlet.com/aemartinezm/pxs09jbpyzze5v59/wish/2185119087</link>
         <description><![CDATA[<div><em><sup>Electronegativity is the capacity of the nucleus of an atom to attract the electrons when a chemical bonding is formed.</sup></em></div>]]></description>
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         <pubDate>2022-05-16 04:47:04 UTC</pubDate>
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         <title>Chemical Bonds </title>
         <author>aemartinezm</author>
         <link>https://padlet.com/aemartinezm/pxs09jbpyzze5v59/wish/2185123091</link>
         <description><![CDATA[<div><em><sup>Chemical bonds is the chemical union between two or more atoms.</sup></em></div>]]></description>
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         <pubDate>2022-05-16 04:51:55 UTC</pubDate>
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         <title>Anions and Cations </title>
         <author>aemartinezm</author>
         <link>https://padlet.com/aemartinezm/pxs09jbpyzze5v59/wish/2185128851</link>
         <description><![CDATA[<div><em><sup>Cation: atom that has lost its valence electrons and possesses more protons (+) in its nucleus than electrons (-) in its orbitals, and has a positive charge.<br><br>Anion: atom that has gained valence electrons and possesses more electrons (-) in its orbitals than protons (+) in its nucleus and has a negative charge.</sup></em></div>]]></description>
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         <pubDate>2022-05-16 04:58:26 UTC</pubDate>
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         <title>Chemical Compounds </title>
         <author>aemartinezm</author>
         <link>https://padlet.com/aemartinezm/pxs09jbpyzze5v59/wish/2185137060</link>
         <description><![CDATA[<div><em><sup>Different classifications can be established to group chemical compounds; if the compounds are formed by only one type of atoms, they are denominated simple substances, and if they contain diferent atoms they are denominated compound substances.</sup></em></div>]]></description>
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         <pubDate>2022-05-16 05:07:30 UTC</pubDate>
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         <title>Chemical Nomenclature </title>
         <author>aemartinezm</author>
         <link>https://padlet.com/aemartinezm/pxs09jbpyzze5v59/wish/2185139791</link>
         <description><![CDATA[<div><em><sup>The chemical nomenclature is the manner of describing the names and formulas of the chemical compounds&nbsp;</sup></em></div>]]></description>
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         <pubDate>2022-05-16 05:10:36 UTC</pubDate>
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         <title>Inorganic Compounds </title>
         <author>aemartinezm</author>
         <link>https://padlet.com/aemartinezm/pxs09jbpyzze5v59/wish/2185142966</link>
         <description><![CDATA[<div><em><sup>An inorganic chemical compound is formed by a combination of atoms where carbon isn't the main component.</sup></em></div>]]></description>
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         <pubDate>2022-05-16 05:14:15 UTC</pubDate>
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