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	<title>Source:21.2: Group 1: The Alkali Metals (Webpage) - Revision history</title>
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	<updated>2026-10-17T02:52:35Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
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		<id>https://wikibase.ronzz.org/index.php?title=Source:21.2:_Group_1:_The_Alkali_Metals_(Webpage)&amp;diff=8005&amp;oldid=prev</id>
		<title>Rongzhou: Completing the page–item link</title>
		<link rel="alternate" type="text/html" href="https://wikibase.ronzz.org/index.php?title=Source:21.2:_Group_1:_The_Alkali_Metals_(Webpage)&amp;diff=8005&amp;oldid=prev"/>
		<updated>2026-09-27T14:00:31Z</updated>

		<summary type="html">&lt;p&gt;Completing the page–item link&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw-interface=&quot;&quot;&gt;
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				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 14:00, 27 September 2026&lt;/td&gt;
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&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Li, Na, K, Rb, and Cs are all group IA elements, also known as the alkali metals. The seventh member of the group, francium (Fr) is radioactive and so rare that only 20 atoms of Fr may exist on Earth …&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Li, Na, K, Rb, and Cs are all group IA elements, also known as the alkali metals. The seventh member of the group, francium (Fr) is radioactive and so rare that only 20 atoms of Fr may exist on Earth …&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
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		<author><name>Rongzhou</name></author>
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	<entry>
		<id>https://wikibase.ronzz.org/index.php?title=Source:21.2:_Group_1:_The_Alkali_Metals_(Webpage)&amp;diff=8004&amp;oldid=prev</id>
		<title>Rongzhou: Created the wiki page for 21.2: Group 1: The Alkali Metals (Webpage)</title>
		<link rel="alternate" type="text/html" href="https://wikibase.ronzz.org/index.php?title=Source:21.2:_Group_1:_The_Alkali_Metals_(Webpage)&amp;diff=8004&amp;oldid=prev"/>
		<updated>2026-09-27T14:00:30Z</updated>

		<summary type="html">&lt;p&gt;Created the wiki page for 21.2: Group 1: The Alkali Metals (Webpage)&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;{{Webpage}}&lt;br /&gt;
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== Overview ==&lt;br /&gt;
&lt;br /&gt;
Li, Na, K, Rb, and Cs are all group IA elements, also known as the alkali metals. The seventh member of the group, francium (Fr) is radioactive and so rare that only 20 atoms of Fr may exist on Earth …&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&amp;lt;!-- __EXTERNAL_LINK_PENDING__ --&amp;gt;&lt;/div&gt;</summary>
		<author><name>Rongzhou</name></author>
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