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	<title>Template:Infobox fermium - Revision history</title>
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	<updated>2026-05-03T12:00:17Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
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	<entry>
		<id>https://catalog.jinharsh.co.in/index.php?title=Template:Infobox_fermium&amp;diff=11292&amp;oldid=prev</id>
		<title>Admin: 1 revision imported: setup</title>
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		<updated>2021-04-16T04:04:05Z</updated>

		<summary type="html">&lt;p&gt;1 revision imported: setup&lt;/p&gt;
&lt;table class=&quot;diff diff-contentalign-left diff-editfont-monospace&quot; data-mw=&quot;interface&quot;&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;1&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;1&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 04:04, 16 April 2021&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-notice&quot; lang=&quot;en&quot;&gt;&lt;div class=&quot;mw-diff-empty&quot;&gt;(No difference)&lt;/div&gt;
&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;</summary>
		<author><name>Admin</name></author>
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	<entry>
		<id>https://catalog.jinharsh.co.in/index.php?title=Template:Infobox_fermium&amp;diff=11291&amp;oldid=prev</id>
		<title>setup&gt;DePiep: /* top */rm parameters electron configuration, oxidation states: now read via data central, removed: |oxidation states=2, '''3'''
, |electron configuration= &amp;#91;Rn&amp;#93; 5f&lt;sup&gt;12&lt;/sup&gt; 7s&lt;sup&gt;2&lt;/sup&gt;</title>
		<link rel="alternate" type="text/html" href="https://catalog.jinharsh.co.in/index.php?title=Template:Infobox_fermium&amp;diff=11291&amp;oldid=prev"/>
		<updated>2019-10-05T14:37:00Z</updated>

		<summary type="html">&lt;p&gt;&lt;span dir=&quot;auto&quot;&gt;&lt;span class=&quot;autocomment&quot;&gt;top: &lt;/span&gt;rm parameters electron configuration, oxidation states: now read via data central, removed: |oxidation states=2, &amp;#039;&amp;#039;&amp;#039;3&amp;#039;&amp;#039;&amp;#039; , |electron configuration= [&lt;a href=&quot;/index.php?title=Radon&amp;amp;action=edit&amp;amp;redlink=1&quot; class=&quot;new&quot; title=&quot;Radon (page does not exist)&quot;&gt;Rn&lt;/a&gt;] 5f&amp;lt;sup&amp;gt;12&amp;lt;/sup&amp;gt; 7s&amp;lt;sup&amp;gt;2&amp;lt;/sup&amp;gt;&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;{{Infobox element&lt;br /&gt;
|number=100&lt;br /&gt;
|symbol=Fm&lt;br /&gt;
|name=fermium&lt;br /&gt;
|abundance=&lt;br /&gt;
|abundance in earth's crust=&lt;br /&gt;
|abundance in oceans=&lt;br /&gt;
|abundance in solar system=&lt;br /&gt;
|left=[[einsteinium]]&lt;br /&gt;
|right=[[mendelevium]]&lt;br /&gt;
|above=[[erbium|Er]]&lt;br /&gt;
|below=(Upq)&lt;br /&gt;
|group=n/a&lt;br /&gt;
|period=7&lt;br /&gt;
|block=f&lt;br /&gt;
|appearance=&lt;br /&gt;
|electrons per shell=2, 8, 18, 32, 30, 8, 2&lt;br /&gt;
|phase=solid&lt;br /&gt;
|phase comment=''(predicted)''&lt;br /&gt;
|density gpcm3nrt=9.7(1)&lt;br /&gt;
|density gpcm3nrt comment=''(predicted)''&amp;lt;ref name=density&amp;gt;{{cite journal |last=Fournier |first=Jean-Marc |date=1976 |title=Bonding and the electronic structure of the actinide metals |journal=Journal of Physics and Chemistry of Solids |volume=37 |issue=2 |pages=235–244 |doi=10.1016/0022-3697(76)90167-0|bibcode=1976JPCS...37..235F }}&amp;lt;/ref&amp;gt;&lt;br /&gt;
|crystal structure=face-centered cubic&lt;br /&gt;
|crystal structure comment=''(predicted)''&amp;lt;ref name=density/&amp;gt;&lt;br /&gt;
|melting point K=1800&lt;br /&gt;
|melting point C=1527&lt;br /&gt;
|melting point F=2781&lt;br /&gt;
|melting point comment=''(predicted)''&lt;br /&gt;
|electronegativity=1.3&lt;br /&gt;
|number of ionization energies=1&lt;br /&gt;
|ionization energy 1=629&lt;br /&gt;
|ionization energy comment=&amp;lt;ref&amp;gt;https://pubs.acs.org/doi/10.1021/jacs.8b09068&amp;lt;/ref&amp;gt;&lt;br /&gt;
|CAS number=7440-72-4&lt;br /&gt;
|magnetic susceptibility=&lt;br /&gt;
|magnetic susceptibility ref=&lt;br /&gt;
|isotopes=&lt;br /&gt;
{{infobox element/isotopes decay2 | mn=252 | sym=Fm&lt;br /&gt;
|na=[[synthetic radioisotope|syn]] | hl=25.39&amp;amp;nbsp;h&lt;br /&gt;
|dm1=[[spontaneous fission|SF]] | de1=– | pn1= | ps1=–&lt;br /&gt;
|dm2=[[alpha emission|α]] | de2=7.153 | link2=californium-248 | pn2=248 | ps2=Cf}}&lt;br /&gt;
{{infobox element/isotopes decay2 | mn=253 | sym=Fm&lt;br /&gt;
|na=syn | hl=3&amp;amp;nbsp;d&lt;br /&gt;
|dm1=[[electron capture|ε]] | de1=0.333 | link1=einsteinium-253 | pn1=253 | ps1=Es&lt;br /&gt;
|dm2=α | de2=7.197 | link2=californium-249 | pn2=249 | ps2=Cf}}&lt;br /&gt;
{{infobox element/isotopes decay2 | mn=255 | sym=Fm&lt;br /&gt;
|na=syn | hl=20.07&amp;amp;nbsp;h&lt;br /&gt;
|dm1=SF | de1=– | pn1= | ps1=–&lt;br /&gt;
|dm2=α | de2=7.241 | link2=californium-251 | pn2=251 | ps2=Cf}}&lt;br /&gt;
{{infobox element/isotopes decay2 | mn=257 | sym=Fm&lt;br /&gt;
|na=syn | hl=100.5&amp;amp;nbsp;d&lt;br /&gt;
|dm1=α | de1=6.864 | link1=californium-253 | pn1=253 | ps1=Cf&lt;br /&gt;
|dm2=SF | de2=– | pn2= | ps2=–}}&lt;br /&gt;
|isotopes comment=&lt;br /&gt;
|naming=after [[Enrico Fermi]]&lt;br /&gt;
|discovered by=[[Lawrence Berkeley National Laboratory]]&lt;br /&gt;
|discovery date=1952&lt;br /&gt;
|QID=Q1896&lt;br /&gt;
}}&amp;lt;!--&lt;br /&gt;
&lt;br /&gt;
--&amp;gt;&amp;lt;noinclude&amp;gt;&lt;br /&gt;
{{Infobox element/element navigation|symbol=Fm}}&lt;br /&gt;
{{Template reference list}}&lt;br /&gt;
{{documentation|1=Template:Infobox element/doc}}&lt;br /&gt;
&amp;lt;/noinclude&amp;gt;&lt;/div&gt;</summary>
		<author><name>setup&gt;DePiep</name></author>
	</entry>
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