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	<id>https://catalog.jinharsh.co.in/index.php?action=history&amp;feed=atom&amp;title=Template%3AInfobox_cobalt</id>
	<title>Template:Infobox cobalt - Revision history</title>
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	<updated>2026-05-03T05:16:11Z</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_cobalt&amp;diff=10170&amp;oldid=prev</id>
		<title>Admin: 1 revision imported: setup</title>
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		<updated>2021-04-16T03:59:23Z</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 03:59, 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>
	</entry>
	<entry>
		<id>https://catalog.jinharsh.co.in/index.php?title=Template:Infobox_cobalt&amp;diff=10169&amp;oldid=prev</id>
		<title>setup&gt;DePiep: /* top */rm parameters electron configuration, oxidation states: now read via data central, removed: |oxidation states= −3, −1, +1, '''+2''', '''+3''', +4, +5
 (3), |electron configuration=&amp;#91;Ar&amp;#93; 3d&lt;sup&gt;7&lt;/sup&gt; 4s&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_cobalt&amp;diff=10169&amp;oldid=prev"/>
		<updated>2019-10-05T14:34:48Z</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= −3, −1, +1, &amp;#039;&amp;#039;&amp;#039;+2&amp;#039;&amp;#039;&amp;#039;, &amp;#039;&amp;#039;&amp;#039;+3&amp;#039;&amp;#039;&amp;#039;, +4, +5  (3), |electron configuration=[&lt;a href=&quot;/index.php?title=Argon&amp;amp;action=edit&amp;amp;redlink=1&quot; class=&quot;new&quot; title=&quot;Argon (page does not exist)&quot;&gt;Ar&lt;/a&gt;] 3d&amp;lt;sup&amp;gt;7&amp;lt;/sup&amp;gt; 4s&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;
|name=cobalt&lt;br /&gt;
|number=27&lt;br /&gt;
|symbol=Co&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=[[iron]]&lt;br /&gt;
|right=[[nickel]]&lt;br /&gt;
|above=–&lt;br /&gt;
|below=[[rhodium|Rh]]&lt;br /&gt;
|category comment=&lt;br /&gt;
|group=9&lt;br /&gt;
|period=4&lt;br /&gt;
|block=d&lt;br /&gt;
|appearance=hard lustrous bluish gray metal&lt;br /&gt;
|image name=Kobalt_electrolytic_and_1cm3_cube.jpg&lt;br /&gt;
|electrons per shell=2, 8, 15, 2&lt;br /&gt;
|phase=&lt;br /&gt;
|phase comment=&lt;br /&gt;
|density gplstp=&lt;br /&gt;
|density gpcm3nrt=8.90&lt;br /&gt;
|density gpcm3nrt 2=&lt;br /&gt;
|density gpcm3mp=8.86&lt;br /&gt;
|melting point K=1768&lt;br /&gt;
|melting point C=1495&lt;br /&gt;
|melting point F=2723&lt;br /&gt;
|boiling point K=3200&lt;br /&gt;
|boiling point C=2927&lt;br /&gt;
|boiling point F=5301&lt;br /&gt;
|triple point K=&lt;br /&gt;
|triple point kPa=&lt;br /&gt;
|critical point K=&lt;br /&gt;
|critical point MPa=&lt;br /&gt;
|heat fusion=16.06&lt;br /&gt;
|heat fusion 2=&lt;br /&gt;
|heat vaporization=377&lt;br /&gt;
|heat capacity=24.81&lt;br /&gt;
|vapor pressure 1=1790&lt;br /&gt;
|vapor pressure 10=1960&lt;br /&gt;
|vapor pressure 100=2165&lt;br /&gt;
|vapor pressure 1 k=2423&lt;br /&gt;
|vapor pressure 10 k=2755&lt;br /&gt;
|vapor pressure 100 k=3198&lt;br /&gt;
|vapor pressure comment=&lt;br /&gt;
|crystal structure=hexagonal close packed&lt;br /&gt;
|electronegativity=1.88&lt;br /&gt;
|number of ionization energies=4&lt;br /&gt;
|ionization energy 1=760.4&lt;br /&gt;
|ionization energy 2=1648&lt;br /&gt;
|ionization energy 3=3232&lt;br /&gt;
|atomic radius=125&lt;br /&gt;
|atomic radius calculated=&lt;br /&gt;
|covalent radius=Low spin: 126±3 pm&amp;lt;br/&amp;gt;High spin: 150±7&lt;br /&gt;
|Van der Waals radius=&lt;br /&gt;
|magnetic ordering=[[ferromagnetism|ferromagnetic]]&lt;br /&gt;
|electrical resistivity unit prefix=n&lt;br /&gt;
|electrical resistivity at 0=&lt;br /&gt;
|electrical resistivity at 20=62.4&lt;br /&gt;
|thermal conductivity=100&lt;br /&gt;
|thermal conductivity 2=&lt;br /&gt;
|thermal diffusivity=&lt;br /&gt;
|thermal expansion=&lt;br /&gt;
|thermal expansion at 25=13.0&lt;br /&gt;
|speed of sound=&lt;br /&gt;
|speed of sound rod at 20=4720&lt;br /&gt;
|speed of sound rod at r.t.=&lt;br /&gt;
|magnetic susceptibility=&lt;br /&gt;
|magnetic susceptibility ref=&lt;br /&gt;
|Young's modulus=209&lt;br /&gt;
|Shear modulus=75&lt;br /&gt;
|Bulk modulus=180&lt;br /&gt;
|Poisson ratio=0.31&lt;br /&gt;
|Mohs hardness=5.0&lt;br /&gt;
|Vickers hardness=1043&lt;br /&gt;
|Brinell hardness=470–3000&lt;br /&gt;
|CAS number=7440-48-4&lt;br /&gt;
|isotopes=&lt;br /&gt;
{{infobox element/isotopes decay | mn=56 | sym=Co | na=[[synthetic radioisotope|syn]] | hl=77.27&amp;amp;nbsp;d | dm=[[electron capture|ε]] | de=4.566 | link1=iron-56 | pn=56 | ps=Fe }}&lt;br /&gt;
{{infobox element/isotopes decay | mn=57 | sym=Co | na=syn | hl=271.79&amp;amp;nbsp;d | dm=ε | de=0.836 | link1=iron-57 | pn=57 | ps=Fe}}&lt;br /&gt;
{{infobox element/isotopes decay | mn=58 | sym=Co | na=syn | hl=70.86&amp;amp;nbsp;d | dm=ε | de=2.307 | link1=iron-58 | pn=58 | ps=Fe}}&lt;br /&gt;
{{Infobox element/isotopes stable | mn=59 | sym=Co | na=100% | n=32 |firstlinks=yes}}&lt;br /&gt;
{{infobox element/isotopes decay | mn=60 | sym=Co | na=syn | hl=5.2714&amp;amp;nbsp;y | dm=[[beta decay|β&amp;lt;sup&amp;gt;−&amp;lt;/sup&amp;gt;]], [[gamma decay|γ]] | de=2.824 | link1=nickel-60 | pn=60 | ps=Ni}}&lt;br /&gt;
|isotopes comment=&lt;br /&gt;
|discovery and first isolation by=[[Georg Brandt]]&lt;br /&gt;
|discovery date=1735&lt;br /&gt;
|QID=Q740&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=Co}}&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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