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	<title>Template:Infobox barium - Revision history</title>
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	<updated>2026-05-03T04:25:21Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
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		<id>https://catalog.jinharsh.co.in/index.php?title=Template:Infobox_barium&amp;diff=11224&amp;oldid=prev</id>
		<title>Admin: 1 revision imported: setup</title>
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		<updated>2021-04-16T04:02:37Z</updated>

		<summary type="html">&lt;p&gt;1 revision imported: setup&lt;/p&gt;
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				&lt;td colspan=&quot;1&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 04:02, 16 April 2021&lt;/td&gt;
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		<author><name>Admin</name></author>
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	<entry>
		<id>https://catalog.jinharsh.co.in/index.php?title=Template:Infobox_barium&amp;diff=11223&amp;oldid=prev</id>
		<title>setup&gt;Monkbot: Task 18a (cosmetic) (manual): eval 2 templates: del empty params (2×);</title>
		<link rel="alternate" type="text/html" href="https://catalog.jinharsh.co.in/index.php?title=Template:Infobox_barium&amp;diff=11223&amp;oldid=prev"/>
		<updated>2020-12-16T20:19:09Z</updated>

		<summary type="html">&lt;p&gt;&lt;a href=&quot;/index.php?title=User:Monkbot/task_18&amp;amp;action=edit&amp;amp;redlink=1&quot; class=&quot;new&quot; title=&quot;User:Monkbot/task 18 (page does not exist)&quot;&gt;Task 18a (cosmetic)&lt;/a&gt; (manual): eval 2 templates: del empty params (2×);&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;
|engvar={{{engvar|}}}&lt;br /&gt;
|name=barium&lt;br /&gt;
|number=56&lt;br /&gt;
|symbol=Ba&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=[[caesium]]&lt;br /&gt;
|right=[[lanthanum]]&lt;br /&gt;
|above=[[Strontium|Sr]]&lt;br /&gt;
|below=[[Radium|Ra]]&lt;br /&gt;
|category comment=&lt;br /&gt;
|group=2&lt;br /&gt;
|period=6&lt;br /&gt;
|block=s&lt;br /&gt;
|appearance=silvery gray; with a pale yellow tint&amp;lt;ref&amp;gt;{{Greenwood&amp;amp;Earnshaw|page=112}}&amp;lt;/ref&amp;gt;&lt;br /&gt;
|image name=Barium unter Argon Schutzgas Atmosphäre.jpg&lt;br /&gt;
|electrons per shell=2, 8, 18, 18, 8, 2&lt;br /&gt;
|phase=&lt;br /&gt;
|phase comment=&lt;br /&gt;
|density gplstp=&lt;br /&gt;
|density gpcm3nrt=3.51&lt;br /&gt;
|density gpcm3mp=3.338&lt;br /&gt;
|melting point K=1000&lt;br /&gt;
|melting point C=727&lt;br /&gt;
|melting point F=1341&lt;br /&gt;
|boiling point K=2118&lt;br /&gt;
|boiling point C=1845&lt;br /&gt;
|boiling point F=3353&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=7.12&lt;br /&gt;
|heat vaporization=142&lt;br /&gt;
|heat capacity=28.07&lt;br /&gt;
|vapor pressure 1=911&lt;br /&gt;
|vapor pressure 10=1038&lt;br /&gt;
|vapor pressure 100=1185&lt;br /&gt;
|vapor pressure 1 k=1388&lt;br /&gt;
|vapor pressure 10 k=1686&lt;br /&gt;
|vapor pressure 100 k=2170&lt;br /&gt;
|vapor pressure comment=&lt;br /&gt;
|crystal structure=body-centered cubic&lt;br /&gt;
|electronegativity=0.89&lt;br /&gt;
|number of ionization energies=3&lt;br /&gt;
|ionization energy 1=502.9&lt;br /&gt;
|ionization energy 2=965.2&lt;br /&gt;
|ionization energy 3=3600&lt;br /&gt;
|atomic radius=222&lt;br /&gt;
|covalent radius=215±11&lt;br /&gt;
|Van der Waals radius=268&lt;br /&gt;
|magnetic ordering=[[paramagnetism|paramagnetic]]&lt;br /&gt;
|magnetic ordering ref=&amp;lt;ref&amp;gt;{{cite book |url=https://web.archive.org/web/20110303222309/http://www-d0.fnal.gov/hardware/cal/lvps_info/engineering/elementmagn.pdf|chapter=Magnetic susceptibility of the elements and inorganic compounds| editor = Lide, D. R. | title = CRC Handbook of Chemistry and Physics | edition = 86th | location = Boca Raton (FL) | publisher = CRC Press | year = 2005 | isbn = 0-8493-0486-5 }}&amp;lt;/ref&amp;gt;&lt;br /&gt;
|electrical resistivity unit prefix=n&lt;br /&gt;
|electrical resistivity at 0=&lt;br /&gt;
|electrical resistivity at 20=332&lt;br /&gt;
|thermal conductivity=18.4&lt;br /&gt;
|thermal conductivity 2=&lt;br /&gt;
|thermal diffusivity=&lt;br /&gt;
|thermal expansion=&lt;br /&gt;
|thermal expansion at 25=20.6&lt;br /&gt;
|speed of sound=&lt;br /&gt;
|speed of sound rod at 20=1620&lt;br /&gt;
|speed of sound rod at r.t.=&lt;br /&gt;
|magnetic susceptibility= +20.6·10&amp;lt;sup&amp;gt;−6&amp;lt;/sup&amp;gt;&lt;br /&gt;
|magnetic susceptibility ref= &amp;lt;ref&amp;gt;{{Cite book|title=CRC, Handbook of Chemistry and Physics|last=Weast|first=Robert|publisher=Chemical Rubber Company Publishing|year=1984|isbn=0-8493-0464-4|location=Boca Raton, Florida|pages=E110}}&amp;lt;/ref&amp;gt;&lt;br /&gt;
|Young's modulus=13&lt;br /&gt;
|Shear modulus=4.9&lt;br /&gt;
|Bulk modulus=9.6&lt;br /&gt;
|Poisson ratio=&lt;br /&gt;
|Mohs hardness=1.25&lt;br /&gt;
|Vickers hardness=&lt;br /&gt;
|Brinell hardness=&lt;br /&gt;
|CAS number=7440-39-3&lt;br /&gt;
|isotopes=&lt;br /&gt;
{{infobox element/isotopes decay | mn=130 | sym=Ba | na=0.11% | hl=(0.5–2.7)×10&amp;lt;sup&amp;gt;21&amp;lt;/sup&amp;gt;&amp;amp;nbsp;y | dm=[[double electron capture|εε]] | de=2.620 | link1=xenon-130 | pn=130 | ps=Xe}}&lt;br /&gt;
{{infobox element/isotopes stable | mn=132 | sym=Ba | na=0.10% | n=76 |firstlinks=yes}}&lt;br /&gt;
{{infobox element/isotopes decay | mn=133 | sym=Ba&lt;br /&gt;
|na=[[synthetic radioisotope|syn]] | hl=10.51&amp;amp;nbsp;y&lt;br /&gt;
|dm=[[electron capture|ε]] | de=0.517 | link1=caesium-133 | pn=133 | ps=Cs}}&lt;br /&gt;
{{infobox element/isotopes stable | mn=134 | sym=Ba | na=2.42% | n=78 |firstlinks=no}}&lt;br /&gt;
{{infobox element/isotopes stable | mn=135 | sym=Ba | na=6.59% | n=79 |firstlinks=no}}&lt;br /&gt;
{{infobox element/isotopes stable | mn=136 | sym=Ba | na=7.85% | n=80 |firstlinks=no}}&lt;br /&gt;
{{infobox element/isotopes stable | mn=137 | sym=Ba | na=11.23% | n=81 |firstlinks=no}}&lt;br /&gt;
{{infobox element/isotopes stable | mn=138 | sym=Ba | na=71.70% | n=82 |firstlinks=no}}&lt;br /&gt;
|isotopes comment=&lt;br /&gt;
|discovered by=[[Carl Wilhelm Scheele]]&lt;br /&gt;
|discovery date=1772&lt;br /&gt;
|first isolation by=[[Humphry Davy]]&lt;br /&gt;
|first isolation date=1808&lt;br /&gt;
|QID=Q1112&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=Ba}}&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;Monkbot</name></author>
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