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      <title>                   Acids &amp; Bases Theories Timeline by Nahla Jeyaratnam</title>
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      <language>en-us</language>
      <pubDate>2023-12-10 21:52:31 UTC</pubDate>
      <lastBuildDate>2023-12-12 11:36:48 UTC</lastBuildDate>
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         <title>Arrhenius Theory (1887)</title>
         <author>nahlajeyaratnam</author>
         <link>https://padlet.com/nahlajeyaratnam/1akxpel0sgr2vqib/wish/2820250239</link>
         <description><![CDATA[<p>Acids are substances that produce H+ ions in water and bases are substances that produce OH- ions.</p>]]></description>
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         <pubDate>2023-12-10 21:53:08 UTC</pubDate>
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      <item>
         <title>Brønsted-Lowry Theory (1923)</title>
         <author>nahlajeyaratnam</author>
         <link>https://padlet.com/nahlajeyaratnam/1akxpel0sgr2vqib/wish/2820250343</link>
         <description><![CDATA[<p>Acids donate protons (H+ ions) and bases accept protons (H+ ions).</p>]]></description>
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         <pubDate>2023-12-10 21:53:24 UTC</pubDate>
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         <title>Lewis Theory (1923)</title>
         <author>nahlajeyaratnam</author>
         <link>https://padlet.com/nahlajeyaratnam/1akxpel0sgr2vqib/wish/2820250453</link>
         <description><![CDATA[<p>Expanded the concept to include substances that donate/accept electron pairs.</p>]]></description>
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         <pubDate>2023-12-10 21:53:42 UTC</pubDate>
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         <title>Usanovich Theory (1928)</title>
         <author>nahlajeyaratnam</author>
         <link>https://padlet.com/nahlajeyaratnam/1akxpel0sgr2vqib/wish/2820250529</link>
         <description><![CDATA[<p>Acids without hydrogen in their compounds, generalizing the Lewis theory. Acids accept negatives, anions or electrons or donates positives and cations. Bases do the opposite.</p>]]></description>
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         <pubDate>2023-12-10 21:53:56 UTC</pubDate>
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         <title>Lux-Flood Theory (1956)</title>
         <author>nahlajeyaratnam</author>
         <link>https://padlet.com/nahlajeyaratnam/1akxpel0sgr2vqib/wish/2820250592</link>
         <description><![CDATA[<p>Acids accept oxides and bases are oxide donors.</p>]]></description>
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         <pubDate>2023-12-10 21:54:07 UTC</pubDate>
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         <title>Pearson&#39;s (Lewis) HSAB Theory (1963)</title>
         <author>nahlajeyaratnam</author>
         <link>https://padlet.com/nahlajeyaratnam/1akxpel0sgr2vqib/wish/2820250662</link>
         <description><![CDATA[<p>Put Lewis acids and bases into two classes after realizing that the acid/base reacts better with the ones in their category. They were either hard acids/bases or soft. </p>]]></description>
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         <pubDate>2023-12-10 21:54:20 UTC</pubDate>
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