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2021-04-16T03:59:02Z

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setup>Monkbot: Task 18a (cosmetic) (manual): eval 1 template: del empty params (2×);

2020-12-16T00:31:47Z

Task 18a (cosmetic) (manual): eval 1 template: del empty params (2×);

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{{Infobox element
|engvar={{{engvar|}}}
|name=calcium
|number=20
|symbol=Ca
|abundance=
|abundance in earth's crust=
|abundance in oceans=
|abundance in solar system=
|left=[[potassium]]
|right=[[scandium]]
|above=[[magnesium|Mg]]
|below=[[strontium|Sr]]
|category comment=
|group=2
|period=4
|block=s
|appearance=dull gray, silver; with a pale yellow tint<ref>{{Greenwood&Earnshaw|page=112}}</ref>
|image name=Calcium unter Argon Schutzgasatmosphäre.jpg
|electrons per shell=2, 8, 8, 2
|phase=
|phase comment=
|density gplstp=
|density gpcm3nrt=1.55
|density gpcm3nrt 2=
|density gpcm3mp=1.378
|melting point K=1115
|melting point C=842
|melting point F=1548
|boiling point K=1757
|boiling point C=1484
|boiling point F=2703
|triple point K=
|triple point kPa=
|critical point K=
|critical point MPa=
|heat fusion=8.54
|heat fusion 2=
|heat vaporization=154.7
|heat capacity=25.929
|vapor pressure 1=864
|vapor pressure 10=956
|vapor pressure 100=1071
|vapor pressure 1 k=1227
|vapor pressure 10 k=1443
|vapor pressure 100 k=1755
|vapor pressure comment=
|crystal structure=face-centered cubic
|electronegativity=1.00
|number of ionization energies=4
|ionization energy 1=589.8
|ionization energy 2=1145.4
|ionization energy 3=4912.4
|atomic radius=197
|atomic radius calculated=
|covalent radius=176±10
|Van der Waals radius=231
|magnetic ordering=[[diamagnetism|diamagnetic]]
|electrical resistivity unit prefix=n
|electrical resistivity at 0=
|electrical resistivity at 20=33.6
|thermal conductivity=201
|thermal conductivity 2=
|thermal diffusivity=
|thermal expansion=
|thermal expansion at 25=22.3
|speed of sound=
|speed of sound rod at 20=3810
|speed of sound rod at r.t.=
|magnetic susceptibility= +40.0·10−6
|magnetic susceptibility ref= <ref>{{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}}</ref>
|Young's modulus=20
|Shear modulus=7.4
|Bulk modulus=17
|Poisson ratio=0.31
|Mohs hardness=1.75
|Vickers hardness=
|Brinell hardness=170–416
|CAS number=7440-70-2
|isotopes=
{{infobox element/isotopes stable | mn=40 | sym=Ca | na=96.941% | n=20 |firstlinks=yes}}
{{infobox element/isotopes decay | mn=41 | sym=Ca | na=[[trace radioisotope|trace]] | hl=9.94×104 y | dm=[[electron capture|ε]] | de=– | link1=potassium-41 | pn=41 | ps=K}}
{{Infobox element/isotopes stable | mn=42 | sym=Ca | na=0.647% | n=22 |firstlinks=no}}
{{Infobox element/isotopes stable | mn=43 | sym=Ca | na=0.135% | n=23 |firstlinks=no}}
{{Infobox element/isotopes stable | mn=44 | sym=Ca | na=2.086% | n=24 |firstlinks=no}}
{{infobox element/isotopes decay | mn=45 | sym=Ca | na=[[synthetic radioisotope|syn]] | hl=162.6 d | dm=[[beta decay|β−]] | de=0.258 | link1=scandium-45 | pn=45 | ps=Sc}}
{{infobox element/isotopes stable | mn=46 | sym=Ca | na=0.004% | n=26 |firstlinks=no}}
{{infobox element/isotopes decay2 | mn=47 | sym=Ca | na=syn | hl=4.5 d
|dm1=β− | de1=0.694, 1.99 | link1=scandium-47 | pn1=47 | ps1=Sc |
dm2=[[gamma ray|γ]] | de2=1.297 | pn2= | ps2=– }}
{{infobox element/isotopes decay | mn=48 | sym=Ca | na=0.187% | hl=6.4×1019 y
|dm=[[double beta decay|β−β−]] | de=4.274 | link=calcium-48 | link1=titanium-48 | pn=48 | ps=Ti}}
|isotopes comment=
|discovery and first isolation by=[[Humphry Davy]]
|discovery date=1808
|QID=Q706
}}<noinclude>
{{Infobox element/element navigation|symbol=Ca}}
{{Template reference list}}
Two of these are [[WP:REFNAME|named references]]. They may be cited in the containing article as
*<nowiki><ref name="CIAAW2013" /></nowiki> for the source ''Atomic weights of the elements 2013'' (from subtemplates used by {{tl|Infobox element}})
* <nowiki><ref name="West" /></nowiki> for the source edited by Kneck et al.
{{documentation|1=Template:Infobox element/doc}}
[[Category:Templates that generate named references]]
</noinclude>

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setup>Monkbot: Task 18a (cosmetic) (manual): eval 1 template: del empty params (2×);