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	<title>テンプレート:Infobox calcium - 版の履歴</title>
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	<updated>2026-04-21T14:22:59Z</updated>
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		<id>https://bsd.neuroinf.jp/w/index.php?title=%E3%83%86%E3%83%B3%E3%83%97%E3%83%AC%E3%83%BC%E3%83%88:Infobox_calcium&amp;diff=36313&amp;oldid=prev</id>
		<title>2016年6月15日 (水) 14:39にWikiSysopによる</title>
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		<updated>2016-06-15T14:39:14Z</updated>

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&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
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				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;2016年6月15日 (水) 23:39時点における版&lt;/td&gt;
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		<author><name>WikiSysop</name></author>
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	<entry>
		<id>https://bsd.neuroinf.jp/w/index.php?title=%E3%83%86%E3%83%B3%E3%83%97%E3%83%AC%E3%83%BC%E3%83%88:Infobox_calcium&amp;diff=36304&amp;oldid=prev</id>
		<title>2016年6月14日 (火) 15:17にWikiSysopによる</title>
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		<updated>2016-06-14T15:17:30Z</updated>

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&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;57行目:&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;|crystal structure=face-centered cubic&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;|crystal structure=face-centered cubic&lt;/div&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;|oxidation states=&amp;#039;&amp;#039;&amp;#039;+2&amp;#039;&amp;#039;&amp;#039;, +1, −1&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;|oxidation states=&amp;#039;&amp;#039;&amp;#039;+2&amp;#039;&amp;#039;&amp;#039;, +1, −1&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;|oxidation states ref=&amp;lt;ref name=&quot;West&quot;&amp;gt;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;{{cite journal|last1=Krieck|first1=Sven|last2=Görls|first2=Helmar|last3=Westerhausen|first3=Matthias|title=Mechanistic Elucidation of the Formation of the Inverse Ca(I) Sandwich Complex [(thf)3Ca(μ-C6H3-1,3,5-Ph3)Ca(thf)3] and Stability of Aryl-Substituted Phenylcalcium Complexes|journal=Journal of the American Chemical Society|volume=132|issue=35|pages=12492–12501|year=2010|pmid=&lt;/del&gt;20718434&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;|doi=10.1021&lt;/del&gt;/&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;ja105534w}}&lt;/del&gt;&amp;lt;/ref&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;|oxidation states ref=&amp;lt;ref name=&quot;West&quot;&amp;gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;lt;pubmed&amp;gt;&lt;/ins&gt;20718434&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;lt;&lt;/ins&gt;/&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;pubmed&amp;gt;&lt;/ins&gt;&amp;lt;/ref&amp;gt;&lt;/div&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;|oxidation states comment=(a strongly [[base (chemistry)|basic]] oxide)&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;|oxidation states comment=(a strongly [[base (chemistry)|basic]] oxide)&lt;/div&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;|electronegativity=1.00&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;|electronegativity=1.00&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l109&quot;&gt;109行目:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;109行目:&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;{{documentation|1=Template:Infobox element/doc}}&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;{{documentation|1=Template:Infobox element/doc}}&lt;/div&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;&amp;lt;/noinclude&amp;gt;&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;&amp;lt;/noinclude&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;lt;references /&amp;gt;&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;

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&lt;/table&gt;</summary>
		<author><name>WikiSysop</name></author>
	</entry>
	<entry>
		<id>https://bsd.neuroinf.jp/w/index.php?title=%E3%83%86%E3%83%B3%E3%83%97%E3%83%AC%E3%83%BC%E3%83%88:Infobox_calcium&amp;diff=36215&amp;oldid=prev</id>
		<title>WikiSysop: 1版</title>
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		<updated>2016-06-14T15:12:21Z</updated>

		<summary type="html">&lt;p&gt;1版&lt;/p&gt;
&lt;p&gt;&lt;b&gt;新規ページ&lt;/b&gt;&lt;/p&gt;&lt;div&gt;{{Infobox element&lt;br /&gt;
|name=calcium&lt;br /&gt;
|pronounce={{IPAc-en|ˈ|k|æ|l|s|i|ə|m}}&lt;br /&gt;
|pronounce 2={{respell|KAL|see-əm}}&lt;br /&gt;
|number=20&lt;br /&gt;
|symbol=Ca&lt;br /&gt;
|left=[[potassium]]&lt;br /&gt;
|right=[[scandium]]&lt;br /&gt;
|above=[[magnesium|Mg]]&lt;br /&gt;
|below=[[strontium|Sr]]&lt;br /&gt;
|series=alkaline earth metal&lt;br /&gt;
|series comment=&lt;br /&gt;
|group=2&lt;br /&gt;
|period=4&lt;br /&gt;
|block=s&lt;br /&gt;
|series color=&lt;br /&gt;
|appearance=dull gray, silver; 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=Calcium unter Argon Schutzgasatmosphäre.jpg&lt;br /&gt;
|image size=&lt;br /&gt;
|image name comment=&lt;br /&gt;
|image name 2=Calcium Spectrum.png&lt;br /&gt;
|image name 2 comment=[[Spectral line]]s of calcium&lt;br /&gt;
|atomic mass=40.078&lt;br /&gt;
|atomic mass ref=&amp;lt;ref name=&amp;quot;IUPAC&amp;quot;&amp;gt;[http://www.ciaaw.org/atomic-weights.htm Standard Atomic Weights 2013]. [[Commission on Isotopic Abundances and Atomic Weights]]&amp;lt;/ref&amp;gt;&lt;br /&gt;
|atomic mass 2=4&lt;br /&gt;
|atomic mass comment=&lt;br /&gt;
|electron configuration=&amp;amp;#91;[[argon|Ar]]&amp;amp;#93; 4s&amp;lt;sup&amp;gt;2&amp;lt;/sup&amp;gt;&lt;br /&gt;
|electrons per shell=2, 8, 8, 2&lt;br /&gt;
|color=&lt;br /&gt;
|phase=solid&lt;br /&gt;
|phase comment=&lt;br /&gt;
|density gplstp=&lt;br /&gt;
|density gpcm3nrt=1.55&lt;br /&gt;
|density gpcm3nrt 2=&lt;br /&gt;
|density gpcm3mp=1.378&lt;br /&gt;
|melting point K=1115&lt;br /&gt;
|melting point C=842&lt;br /&gt;
|melting point F=1548&lt;br /&gt;
|boiling point K=1757&lt;br /&gt;
|boiling point C=1484&lt;br /&gt;
|boiling point F=2703&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=8.54&lt;br /&gt;
|heat fusion 2=&lt;br /&gt;
|heat vaporization=154.7&lt;br /&gt;
|heat capacity=25.929&lt;br /&gt;
|vapor pressure 1=864&lt;br /&gt;
|vapor pressure 10=956&lt;br /&gt;
|vapor pressure 100=1071&lt;br /&gt;
|vapor pressure 1 k=1227&lt;br /&gt;
|vapor pressure 10 k=1443&lt;br /&gt;
|vapor pressure 100 k=1755&lt;br /&gt;
|vapor pressure comment=&lt;br /&gt;
|crystal structure=face-centered cubic&lt;br /&gt;
|oxidation states=&amp;#039;&amp;#039;&amp;#039;+2&amp;#039;&amp;#039;&amp;#039;, +1, −1&lt;br /&gt;
|oxidation states ref=&amp;lt;ref name=&amp;quot;West&amp;quot;&amp;gt;{{cite journal|last1=Krieck|first1=Sven|last2=Görls|first2=Helmar|last3=Westerhausen|first3=Matthias|title=Mechanistic Elucidation of the Formation of the Inverse Ca(I) Sandwich Complex [(thf)3Ca(μ-C6H3-1,3,5-Ph3)Ca(thf)3] and Stability of Aryl-Substituted Phenylcalcium Complexes|journal=Journal of the American Chemical Society|volume=132|issue=35|pages=12492–12501|year=2010|pmid=20718434|doi=10.1021/ja105534w}}&amp;lt;/ref&amp;gt;&lt;br /&gt;
|oxidation states comment=(a strongly [[base (chemistry)|basic]] oxide)&lt;br /&gt;
|electronegativity=1.00&lt;br /&gt;
|number of ionization energies=4&lt;br /&gt;
|ionization energy 1=589.8&lt;br /&gt;
|ionization energy 2=1145.4&lt;br /&gt;
|ionization energy 3=4912.4&lt;br /&gt;
|atomic radius=197&lt;br /&gt;
|atomic radius calculated=&lt;br /&gt;
|covalent radius=176±10&lt;br /&gt;
|Van der Waals radius=231&lt;br /&gt;
|magnetic ordering=[[diamagnetism|diamagnetic]]&lt;br /&gt;
|electrical resistivity unit prefix=n&lt;br /&gt;
|electrical resistivity at 0=&lt;br /&gt;
|electrical resistivity at 20=33.6&lt;br /&gt;
|thermal conductivity=201&lt;br /&gt;
|thermal conductivity 2=&lt;br /&gt;
|thermal diffusivity=&lt;br /&gt;
|thermal expansion=&lt;br /&gt;
|thermal expansion at 25=22.3&lt;br /&gt;
|speed of sound=&lt;br /&gt;
|speed of sound rod at 20=3810&lt;br /&gt;
|speed of sound rod at r.t.=&lt;br /&gt;
|Young&amp;#039;s modulus=20&lt;br /&gt;
|Shear modulus=7.4&lt;br /&gt;
|Bulk modulus=17&lt;br /&gt;
|Poisson ratio=0.31&lt;br /&gt;
|Mohs hardness=1.75&lt;br /&gt;
|Vickers hardness=&lt;br /&gt;
|Brinell hardness=170–416&lt;br /&gt;
|CAS number=7440-70-2&lt;br /&gt;
|isotopes=&lt;br /&gt;
{{infobox element/isotopes decay | mn=40 | sym=Ca | na=96.941% | hl=[[1 E19 s and more|&amp;gt;5.9×10&amp;lt;sup&amp;gt;21&amp;lt;/sup&amp;gt;&amp;amp;nbsp;y]] | dm=([[double beta decay|β&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt;β&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt;]]) | de=0.194 | link1=argon-40 | pn=40 | ps=Ar}}&lt;br /&gt;
{{infobox element/isotopes decay | mn=41 | sym=Ca | na=[[trace radioisotope|trace]] | hl=[[1 E12 s |1.03×10&amp;lt;sup&amp;gt;5&amp;lt;/sup&amp;gt;&amp;amp;nbsp;y]] | dm=[[electron capture|ε]] | de=– | link1=potassium-41 | pn=41 | ps=K}}&lt;br /&gt;
{{Infobox element/isotopes stable | mn=42 | sym=Ca | na=0.647% | n=22 |firstlinks=yes}}&lt;br /&gt;
{{Infobox element/isotopes stable | mn=43 | sym=Ca | na=0.135% | n=23 |firstlinks=no}}&lt;br /&gt;
{{Infobox element/isotopes stable | mn=44 | sym=Ca | na=2.086% | n=24 |firstlinks=no}}&lt;br /&gt;
{{infobox element/isotopes decay | mn=45 | sym=Ca | na=[[synthetic radioisotope|syn]] | hl=[[1 E7 s|162.7&amp;amp;nbsp;d]] | dm=[[beta decay|β&amp;lt;sup&amp;gt;−&amp;lt;/sup&amp;gt;]] | de=0.258 | link1=scandium-45 | pn=45 | ps=Sc}}&lt;br /&gt;
{{infobox element/isotopes decay | mn=46 | sym=Ca | na=0.004% | hl=[[1 E19 s and more|&amp;gt;8.8×10&amp;lt;sup&amp;gt;22&amp;lt;/sup&amp;gt;&amp;amp;nbsp;y]] | dm=([[double beta decay|β&amp;lt;sup&amp;gt;−&amp;lt;/sup&amp;gt;β&amp;lt;sup&amp;gt;−&amp;lt;/sup&amp;gt;]]) | de=0.988 | link1=titanium-46 | pn=46 | ps=Ti}}&lt;br /&gt;
{{infobox element/isotopes decay2 | mn=47 | sym=Ca | na=syn | hl=[[1 E5 s|4.536&amp;amp;nbsp;d]]&lt;br /&gt;
 | dm1=β&amp;lt;sup&amp;gt;−&amp;lt;/sup&amp;gt; | de1=0.694, 1.99 | link1=scandium-47 | pn1=47 | ps1=Sc |&lt;br /&gt;
dm2=[[gamma ray|γ]] | de2=1.297 | pn2= | ps2=– }}&lt;br /&gt;
{{infobox element/isotopes decay2 | mn=48 | sym=Ca | na=0.187% | hl=[[1 E19 s and more|4.3×10&amp;lt;sup&amp;gt;19&amp;lt;/sup&amp;gt;&amp;amp;nbsp;y]]&lt;br /&gt;
 | dm1=β&amp;lt;sup&amp;gt;−&amp;lt;/sup&amp;gt;β&amp;lt;sup&amp;gt;−&amp;lt;/sup&amp;gt; | de1=4.274 | link1=titanium-48 | pn1=48 | ps1=Ti&lt;br /&gt;
 | dm2=(β&amp;lt;sup&amp;gt;−&amp;lt;/sup&amp;gt;) | de2=0.0058 | link2=scandium-48 | pn2=48 | ps2=Sc}}&lt;br /&gt;
|isotopes comment=Decay modes in parentheses are predicted, but have not yet been observed&lt;br /&gt;
|discovery and first isolation by=[[Humphry Davy]]&lt;br /&gt;
|discovery date=1808&lt;br /&gt;
}}&amp;lt;noinclude&amp;gt;&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>WikiSysop</name></author>
	</entry>
	<entry>
		<id>https://bsd.neuroinf.jp/w/index.php?title=%E3%83%86%E3%83%B3%E3%83%97%E3%83%AC%E3%83%BC%E3%83%88:Infobox_calcium&amp;diff=25565&amp;oldid=prev</id>
		<title>WikiSysop: 1版</title>
		<link rel="alternate" type="text/html" href="https://bsd.neuroinf.jp/w/index.php?title=%E3%83%86%E3%83%B3%E3%83%97%E3%83%AC%E3%83%BC%E3%83%88:Infobox_calcium&amp;diff=25565&amp;oldid=prev"/>
		<updated>2014-03-27T00:34:26Z</updated>

		<summary type="html">&lt;p&gt;1版&lt;/p&gt;
&lt;p&gt;&lt;b&gt;新規ページ&lt;/b&gt;&lt;/p&gt;&lt;div&gt;{{Infobox element&lt;br /&gt;
|name=calcium&lt;br /&gt;
|pronounce={{IPAc-en|ˈ|k|æ|l|s|i|ə|m}} {{respell|KAL|see-əm}}&lt;br /&gt;
|number=20&lt;br /&gt;
|symbol=Ca&lt;br /&gt;
|left=[[potassium]]&lt;br /&gt;
|right=[[scandium]]&lt;br /&gt;
|above=[[magnesium|Mg]]&lt;br /&gt;
|below=[[strontium|Sr]]&lt;br /&gt;
|series=alkaline earth metal&lt;br /&gt;
|series comment=&lt;br /&gt;
|group=2&lt;br /&gt;
|period=4&lt;br /&gt;
|block=s&lt;br /&gt;
|series color=&lt;br /&gt;
|phase color=&lt;br /&gt;
|appearance=dull gray, silver&lt;br /&gt;
|image name=Calcium unter Argon Schutzgasatmosphäre.jpg&lt;br /&gt;
|image size=&lt;br /&gt;
|image name comment=&lt;br /&gt;
|image name 2=Calcium Spectrum.png&lt;br /&gt;
|image name 2 comment=Spectral lines of calcium&lt;br /&gt;
|atomic mass=40.078&lt;br /&gt;
|atomic mass 2=4&lt;br /&gt;
|atomic mass comment=&lt;br /&gt;
|electron configuration=&amp;amp;#91;[[argon|Ar]]&amp;amp;#93; 4s&amp;lt;sup&amp;gt;2&amp;lt;/sup&amp;gt;&lt;br /&gt;
|electrons per shell=2, 8, 8, 2&lt;br /&gt;
|color=&lt;br /&gt;
|phase=solid&lt;br /&gt;
|phase comment=&lt;br /&gt;
|density gplstp=&lt;br /&gt;
|density gpcm3nrt=1.55&lt;br /&gt;
|density gpcm3nrt 2=&lt;br /&gt;
|density gpcm3mp=1.378&lt;br /&gt;
|melting point K=1115&lt;br /&gt;
|melting point C=842&lt;br /&gt;
|melting point F=1548&lt;br /&gt;
|boiling point K=1757&lt;br /&gt;
|boiling point C=1484&lt;br /&gt;
|boiling point F=2703&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=8.54&lt;br /&gt;
|heat fusion 2=&lt;br /&gt;
|heat vaporization=154.7&lt;br /&gt;
|heat capacity=25.929&lt;br /&gt;
|vapor pressure 1=864&lt;br /&gt;
|vapor pressure 10=956&lt;br /&gt;
|vapor pressure 100=1071&lt;br /&gt;
|vapor pressure 1 k=1227&lt;br /&gt;
|vapor pressure 10 k=1443&lt;br /&gt;
|vapor pressure 100 k=1755&lt;br /&gt;
|vapor pressure comment=&lt;br /&gt;
|crystal structure=face-centered cubic&lt;br /&gt;
|oxidation states=&amp;#039;&amp;#039;&amp;#039;+2&amp;#039;&amp;#039;&amp;#039;, +1&amp;lt;ref name=&amp;quot;West&amp;quot;&amp;gt;{{cite journal|last1=Krieck|first1=Sven|last2=Görls|first2=Helmar|last3=Westerhausen|first3=Matthias|title=Mechanistic Elucidation of the Formation of the Inverse Ca(I) Sandwich Complex [(thf)3Ca(μ-C6H3-1,3,5-Ph3)Ca(thf)3] and Stability of Aryl-Substituted Phenylcalcium Complexes|journal=Journal of the American Chemical Society|volume=132|issue=35|pages=100818110534020|year=2010|pmid=20718434|doi=10.1021/ja105534w}}&amp;lt;/ref&amp;gt;&lt;br /&gt;
|oxidation states comment=strongly [[base (chemistry)|basic]] oxide&lt;br /&gt;
|electronegativity=1.00&lt;br /&gt;
|number of ionization energies=4&lt;br /&gt;
|1st ionization energy=589.8&lt;br /&gt;
|2nd ionization energy=1145.4&lt;br /&gt;
|3rd ionization energy=4912.4&lt;br /&gt;
|atomic radius=[[1 E-10 m|197]]&lt;br /&gt;
|atomic radius calculated=&lt;br /&gt;
|covalent radius=[[1 E-10 m|176±10]]&lt;br /&gt;
|Van der Waals radius=[[1 E-10 m|231]]&lt;br /&gt;
|magnetic ordering=[[diamagnetism|diamagnetic]]&lt;br /&gt;
|electrical resistivity=&lt;br /&gt;
|electrical resistivity at 0=&lt;br /&gt;
|electrical resistivity at 20=33.6 n&lt;br /&gt;
|thermal conductivity=201&lt;br /&gt;
|thermal conductivity 2=&lt;br /&gt;
|thermal diffusivity=&lt;br /&gt;
|thermal expansion=&lt;br /&gt;
|thermal expansion at 25=22.3&lt;br /&gt;
|speed of sound=&lt;br /&gt;
|speed of sound rod at 20=3810&lt;br /&gt;
|speed of sound rod at r.t.=&lt;br /&gt;
|Young&amp;#039;s modulus=20&lt;br /&gt;
|Shear modulus=7.4&lt;br /&gt;
|Bulk modulus=17&lt;br /&gt;
|Poisson ratio=0.31&lt;br /&gt;
|Mohs hardness=1.75&lt;br /&gt;
|Vickers hardness=&lt;br /&gt;
|Brinell hardness=167&lt;br /&gt;
|CAS number=7440-70-2&lt;br /&gt;
|isotopes=&lt;br /&gt;
{{Elementbox_isotopes_decay | mn=40 | sym=Ca | na=96.941% | hl=[[1 E19 s and more|&amp;gt;5.9×10&amp;lt;sup&amp;gt;21&amp;lt;/sup&amp;gt; y]] | dm=([[double beta decay|β&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt;β&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt;]]) | de=0.194  | link1=argon-40 | pn=40 | ps=Ar}}&lt;br /&gt;
{{Elementbox_isotopes_decay | mn=41 | sym=Ca | na=[[trace radioisotope|trace]] | hl=[[1 E12 s |1.03×10&amp;lt;sup&amp;gt;5&amp;lt;/sup&amp;gt; y]] | dm=[[electron capture|ε]] | de=- | link1=potassium-41 | pn=41 | ps=K}}&lt;br /&gt;
{{Elementbox_isotopes_stable | mn=42 | sym=Ca | na=0.647% | n=22 }}&lt;br /&gt;
{{Elementbox_isotopes_stable | mn=43 | sym=Ca | na=0.135% | n=23 }}&lt;br /&gt;
{{Elementbox_isotopes_stable | mn=44 | sym=Ca | na=2.086% | n=24 }}&lt;br /&gt;
{{Elementbox_isotopes_decay | mn=45 | sym=Ca | na=[[synthetic radioisotope|syn]] | hl=[[1 E7 s|162.7 d]] | dm=[[beta decay|β&amp;lt;sup&amp;gt;−&amp;lt;/sup&amp;gt;]] | de=0.258 | link1=scandium-45 | pn=45 | ps=Sc}}&lt;br /&gt;
{{Elementbox_isotopes_decay | mn=46 | sym=Ca | na=0.004% | hl=[[1 E19 s and more|&amp;gt;2.8×10&amp;lt;sup&amp;gt;15&amp;lt;/sup&amp;gt; y]] | dm=([[double beta decay|β&amp;lt;sup&amp;gt;−&amp;lt;/sup&amp;gt;β&amp;lt;sup&amp;gt;−&amp;lt;/sup&amp;gt;]]) | de=0.988 | link1=titanium-46 | pn=46 | ps=Ti}}&lt;br /&gt;
{{Elementbox_isotopes_decay2 | mn=47 | sym=Ca | na=[[synthetic radioisotope|syn]] | hl=[[1 E5 s|4.536 d]]&lt;br /&gt;
 | dm1=[[beta decay|β&amp;lt;sup&amp;gt;−&amp;lt;/sup&amp;gt;]] | de1=0.694, 1.99 | link1=scandium-47 | pn1=47 | ps1=Sc |&lt;br /&gt;
dm2=[[gamma ray|γ]] | de2=1.297 | pn2= | ps2=- }}&lt;br /&gt;
{{Elementbox_isotopes_decay2 | mn=48 | sym=Ca | na=0.187% | hl=[[1 E19 s and more|4.3×10&amp;lt;sup&amp;gt;19&amp;lt;/sup&amp;gt; y]]&lt;br /&gt;
 | dm1=[[double beta decay|β&amp;lt;sup&amp;gt;−&amp;lt;/sup&amp;gt;β&amp;lt;sup&amp;gt;−&amp;lt;/sup&amp;gt;]] | de1=4.274 | link1=titanium-48 | pn1=48 | ps1=Ti&lt;br /&gt;
 | dm2=([[beta decay|β&amp;lt;sup&amp;gt;−&amp;lt;/sup&amp;gt;]]) | de2=0.0058 | link2=scandium-48 | pn2=48 | ps2=Sc}}&lt;br /&gt;
|isotopes comment=Decay modes in parentheses are predicted, but have not yet been observed&lt;br /&gt;
|discovered by=[[Humphry Davy]]&lt;br /&gt;
|discovery date=1808&lt;br /&gt;
|first isolation by=Humphry Davy&lt;br /&gt;
|first isolation date=1808&lt;br /&gt;
}}&amp;lt;noinclude&amp;gt;&lt;br /&gt;
{{Template reference list}}&lt;br /&gt;
[[Category:Periodic table infobox templates|Calcium]]&lt;br /&gt;
&lt;br /&gt;
&amp;lt;/noinclude&amp;gt;&lt;/div&gt;</summary>
		<author><name>WikiSysop</name></author>
	</entry>
	<entry>
		<id>https://bsd.neuroinf.jp/w/index.php?title=%E3%83%86%E3%83%B3%E3%83%97%E3%83%AC%E3%83%BC%E3%83%88:Infobox_calcium&amp;diff=22187&amp;oldid=prev</id>
		<title>WikiSysop: ページの作成:「{{Elementbox |name=calcium |pronounce={{IPAc-en|ˈ|k|æ|l|s|i|ə|m}} {{respell|KAL|see-əm}} |number=20 |symbol=Ca |left=potassium |right=scandium |above=[[magnes...」</title>
		<link rel="alternate" type="text/html" href="https://bsd.neuroinf.jp/w/index.php?title=%E3%83%86%E3%83%B3%E3%83%97%E3%83%AC%E3%83%BC%E3%83%88:Infobox_calcium&amp;diff=22187&amp;oldid=prev"/>
		<updated>2013-08-10T06:10:30Z</updated>

		<summary type="html">&lt;p&gt;ページの作成:「{{Elementbox |name=calcium |pronounce={{IPAc-en|ˈ|k|æ|l|s|i|ə|m}} {{respell|KAL|see-əm}} |number=20 |symbol=Ca |left=&lt;a href=&quot;/wiki/Potassium&quot; class=&quot;mw-redirect&quot; title=&quot;Potassium&quot;&gt;potassium&lt;/a&gt; |right=&lt;a href=&quot;/w/index.php?title=Scandium&amp;amp;action=edit&amp;amp;redlink=1&quot; class=&quot;new&quot; title=&quot;Scandium (存在しないページ)&quot;&gt;scandium&lt;/a&gt; |above=[[magnes...」&lt;/p&gt;
&lt;p&gt;&lt;b&gt;新規ページ&lt;/b&gt;&lt;/p&gt;&lt;div&gt;{{Elementbox&lt;br /&gt;
|name=calcium&lt;br /&gt;
|pronounce={{IPAc-en|ˈ|k|æ|l|s|i|ə|m}} {{respell|KAL|see-əm}}&lt;br /&gt;
|number=20&lt;br /&gt;
|symbol=Ca&lt;br /&gt;
|left=[[potassium]]&lt;br /&gt;
|right=[[scandium]]&lt;br /&gt;
|above=[[magnesium|Mg]]&lt;br /&gt;
|below=[[strontium|Sr]]&lt;br /&gt;
|series=alkaline earth metal&lt;br /&gt;
|series comment=&lt;br /&gt;
|group=2&lt;br /&gt;
|period=4&lt;br /&gt;
|block=s&lt;br /&gt;
|series color=&lt;br /&gt;
|phase color=&lt;br /&gt;
|appearance=dull gray, silver&lt;br /&gt;
|image name=Calcium unter Argon Schutzgasatmosphäre.jpg&lt;br /&gt;
|image size=&lt;br /&gt;
|image name comment=&lt;br /&gt;
|image name 2=Calcium Spectrum.png&lt;br /&gt;
|image name 2 comment=Spectral lines of calcium&lt;br /&gt;
|atomic mass=40.078&lt;br /&gt;
|atomic mass 2=4&lt;br /&gt;
|atomic mass comment=&lt;br /&gt;
|electron configuration=&amp;amp;#91;[[argon|Ar]]&amp;amp;#93; 4s&amp;lt;sup&amp;gt;2&amp;lt;/sup&amp;gt;&lt;br /&gt;
|electrons per shell=2, 8, 8, 2&lt;br /&gt;
|color=&lt;br /&gt;
|phase=solid&lt;br /&gt;
|phase comment=&lt;br /&gt;
|density gplstp=&lt;br /&gt;
|density gpcm3nrt=1.55&lt;br /&gt;
|density gpcm3nrt 2=&lt;br /&gt;
|density gpcm3mp=1.378&lt;br /&gt;
|melting point K=1115&lt;br /&gt;
|melting point C=842&lt;br /&gt;
|melting point F=1548&lt;br /&gt;
|boiling point K=1757&lt;br /&gt;
|boiling point C=1484&lt;br /&gt;
|boiling point F=2703&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=8.54&lt;br /&gt;
|heat fusion 2=&lt;br /&gt;
|heat vaporization=154.7&lt;br /&gt;
|heat capacity=25.929&lt;br /&gt;
|vapor pressure 1=864&lt;br /&gt;
|vapor pressure 10=956&lt;br /&gt;
|vapor pressure 100=1071&lt;br /&gt;
|vapor pressure 1 k=1227&lt;br /&gt;
|vapor pressure 10 k=1443&lt;br /&gt;
|vapor pressure 100 k=1755&lt;br /&gt;
|vapor pressure comment=&lt;br /&gt;
|crystal structure=face-centered cubic&lt;br /&gt;
|oxidation states=&amp;#039;&amp;#039;&amp;#039;+2&amp;#039;&amp;#039;&amp;#039;, +1&amp;lt;ref name=&amp;quot;West&amp;quot;&amp;gt;{{cite journal|last1=Krieck|first1=Sven|last2=Görls|first2=Helmar|last3=Westerhausen|first3=Matthias|title=Mechanistic Elucidation of the Formation of the Inverse Ca(I) Sandwich Complex [(thf)3Ca(μ-C6H3-1,3,5-Ph3)Ca(thf)3] and Stability of Aryl-Substituted Phenylcalcium Complexes|journal=Journal of the American Chemical Society|volume=132|issue=35|pages=100818110534020|year=2010|pmid=20718434|doi=10.1021/ja105534w}}&amp;lt;/ref&amp;gt;&lt;br /&gt;
|oxidation states comment=strongly [[base (chemistry)|basic]] oxide&lt;br /&gt;
|electronegativity=1.00&lt;br /&gt;
|number of ionization energies=4&lt;br /&gt;
|1st ionization energy=589.8&lt;br /&gt;
|2nd ionization energy=1145.4&lt;br /&gt;
|3rd ionization energy=4912.4&lt;br /&gt;
|atomic radius=[[1 E-10 m|197]]&lt;br /&gt;
|atomic radius calculated=&lt;br /&gt;
|covalent radius=[[1 E-10 m|176±10]]&lt;br /&gt;
|Van der Waals radius=[[1 E-10 m|231]]&lt;br /&gt;
|magnetic ordering=[[diamagnetism|diamagnetic]]&lt;br /&gt;
|electrical resistivity=&lt;br /&gt;
|electrical resistivity at 0=&lt;br /&gt;
|electrical resistivity at 20=33.6 n&lt;br /&gt;
|thermal conductivity=201&lt;br /&gt;
|thermal conductivity 2=&lt;br /&gt;
|thermal diffusivity=&lt;br /&gt;
|thermal expansion=&lt;br /&gt;
|thermal expansion at 25=22.3&lt;br /&gt;
|speed of sound=&lt;br /&gt;
|speed of sound rod at 20=3810&lt;br /&gt;
|speed of sound rod at r.t.=&lt;br /&gt;
|Young&amp;#039;s modulus=20&lt;br /&gt;
|Shear modulus=7.4&lt;br /&gt;
|Bulk modulus=17&lt;br /&gt;
|Poisson ratio=0.31&lt;br /&gt;
|Mohs hardness=1.75&lt;br /&gt;
|Vickers hardness=&lt;br /&gt;
|Brinell hardness=167&lt;br /&gt;
|CAS number=7440-70-2&lt;br /&gt;
|isotopes=&lt;br /&gt;
{{Elementbox_isotopes_decay | mn=40 | sym=Ca | na=96.941% | hl=[[1 E19 s and more|&amp;gt;5.9×10&amp;lt;sup&amp;gt;21&amp;lt;/sup&amp;gt; y]] | dm=[[double beta decay|β&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt;β&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt;]] | de=0.194  | link1=argon-40 | pn=40 | ps=Ar}}&lt;br /&gt;
{{Elementbox_isotopes_decay | mn=41 | sym=Ca | na=[[trace radioisotope|trace]] | hl=[[1 E12 s |1.03×10&amp;lt;sup&amp;gt;5&amp;lt;/sup&amp;gt; y]] | dm=[[electron capture|ε]] | de=- | link1=potassium-41 | pn=41 | ps=K}}&lt;br /&gt;
{{Elementbox_isotopes_stable | mn=42 | sym=Ca | na=0.647% | n=22 }}&lt;br /&gt;
{{Elementbox_isotopes_stable | mn=43 | sym=Ca | na=0.135% | n=23 }}&lt;br /&gt;
{{Elementbox_isotopes_stable | mn=44 | sym=Ca | na=2.086% | n=24 }}&lt;br /&gt;
{{Elementbox_isotopes_decay | mn=45 | sym=Ca | na=[[synthetic radioisotope|syn]] | hl=[[1 E7 s|162.7 d]] | dm=[[beta decay|β&amp;lt;sup&amp;gt;−&amp;lt;/sup&amp;gt;]] | de=0.258 | link1=scandium-45 | pn=45 | ps=Sc}}&lt;br /&gt;
{{Elementbox_isotopes_decay | mn=46 | sym=Ca | na=0.004% | hl=[[1 E19 s and more|&amp;gt;2.8×10&amp;lt;sup&amp;gt;15&amp;lt;/sup&amp;gt; y]] | dm=[[double beta decay|β&amp;lt;sup&amp;gt;−&amp;lt;/sup&amp;gt;β&amp;lt;sup&amp;gt;−&amp;lt;/sup&amp;gt;]] | de=0.988 | link1=titanium-46 | pn=46 | ps=Ti}}&lt;br /&gt;
{{Elementbox_isotopes_decay2 | mn=47 | sym=Ca | na=[[synthetic radioisotope|syn]] | hl=[[1 E5 s|4.536 d]]&lt;br /&gt;
 | dm1=[[beta decay|β&amp;lt;sup&amp;gt;−&amp;lt;/sup&amp;gt;]] | de1=0.694, 1.99 | link1=scandium-47 | pn1=47 | ps1=Sc |&lt;br /&gt;
dm2=[[gamma ray|γ]] | de2=1.297 | pn2= | ps2=- }}&lt;br /&gt;
{{Elementbox_isotopes_decay2 | mn=48 | sym=Ca | na=0.187% | hl=[[1 E19 s and more|4.3×10&amp;lt;sup&amp;gt;19&amp;lt;/sup&amp;gt; y]]&lt;br /&gt;
 | dm1=[[double beta decay|β&amp;lt;sup&amp;gt;−&amp;lt;/sup&amp;gt;β&amp;lt;sup&amp;gt;−&amp;lt;/sup&amp;gt;]] | de1=4.274 | link1=titanium-48 | pn1=48 | ps1=Ti&lt;br /&gt;
 | dm2=[[beta decay|β&amp;lt;sup&amp;gt;−&amp;lt;/sup&amp;gt;]]&amp;lt;br/&amp;gt;(not observed) | de2=0.0058 | link2=scandium-48 | pn2=48 | ps2=Sc}}&lt;br /&gt;
|isotopes comment=&lt;br /&gt;
|discovered by=[[Humphry Davy]]&lt;br /&gt;
|discovery date=1808&lt;br /&gt;
|first isolation by=Humphry Davy&lt;br /&gt;
|first isolation date=1808&lt;br /&gt;
}}&amp;lt;noinclude&amp;gt;&lt;br /&gt;
{{Template reference list}}&lt;br /&gt;
[[Category:Periodic table infobox templates|Calcium]]&lt;br /&gt;
&lt;br /&gt;
&amp;lt;/noinclude&amp;gt;&lt;/div&gt;</summary>
		<author><name>WikiSysop</name></author>
	</entry>
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