Difference between revisions of "Template:Infobox calcium"

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|melting point K=1115
 
|melting point K=1115
 
|melting point C=842
 
|melting point C=842
|melting point F=1548
+
|melting point F=1547.33
 
|boiling point K=1757
 
|boiling point K=1757
 
|boiling point C=1484
 
|boiling point C=1484

Revision as of 00:33, 27 August 2011

[[Category:Template:Pagetype with short description]]

Calcium, 20Ca
Calcium unter Argon Schutzgasatmosphäre.jpg
Calcium
AppearanceDull gray, silver
Standard atomic weight Ar, std(Ca)Template:Val[1]
Calcium in the periodic table
Template:Periodic table (32 columns, micro) Mg

Ca

Sr
potassiumcalciumscandium
Atomic number (Z)20
Groupgroup 2 (alkaline earth metals)
Periodperiod 4
Block  s-block
Electron configuration[Ar] 4s2
Electrons per shell2, 8, 8, 2
Physical properties
Phase at STPsolid
Melting point1115 K ​(842 °C, ​1547.33 °F)
Boiling point1757 K ​(1484 °C, ​2703 °F)
Density (near r.t.)1.55 g/cm3
when liquid (at m.p.)1.378 g/cm3
Heat of fusion8.54 kJ/mol
Heat of vaporization154.7 kJ/mol
Molar heat capacity25.929 J/(mol·K)
Vapor pressure
P (Pa) 1 10 100 1 k 10 k 100 k
at T (K) 864 956 1071 1227 1443 1755
Atomic properties
Oxidation states+1,[2] +2 (a strongly basic oxide)
ElectronegativityPauling scale: 1.00
Ionization energies
Atomic radiusempirical: 197 pm
Covalent radius176±10 pm
Van der Waals radius231 pm
Spectral lines of calcium
Other properties
Natural occurrenceprimordial
Crystal structureface-centered cubic (fcc)
Speed of sound thin rod3810 m/s (at 20 °C)
Thermal expansion22.3 µm/(m·K) (at 25 °C)
Thermal conductivity201 W/(m·K)
Electrical resistivity33.6 n Ω·m (at 20 °C)
Magnetic orderingdiamagnetic
Young's modulus20 GPa
Shear modulus7.4 GPa
Bulk modulus17 GPa
Poisson ratio0.31
Mohs hardness1.75
Brinell hardness167 MPa
CAS Number7440-70-2
Main isotopes of calcium
[[Isotope|IsoTemplate:Shytope]] [[Natural abundance|AbunTemplate:Shydance]] Half-life (t1/2) Decay mode [[Decay product|ProTemplate:Shyduct]]
40Ca 96.941% stable
41Ca trace 1.03×105 y ε 41K
42Ca 0.647% stable
43Ca 0.135% stable
44Ca 2.086% stable
45Ca syn 162.7 d β 45Sc
46Ca 0.004% >2.8×1015 y ββ 46Ti
47Ca syn 4.536 d β 47Sc
γ -
48Ca 0.187% >4×1019 y ββ 48Ti
16x16px Category: Calcium
| references

[[Category:Infobox templates|Template:Remove first word]]

data m.p. cat
in calc from C diff report ref
C 842
K 1115 1115 0
F 1547.33 1548 -0.67 delta Template:Subpage other
max precision 2
WD Template:Wikidata Script error: No such module "EditAtWikidata". Template:Wikidata
input C: 842, K: 1115, F: 1547.33
comment
data b.p. cat
in calc from C diff report ref
C 1484
K 1757 1757 0
F 2703 2703 0 Template:Subpage other
max precision 0
WD Template:Wikidata Script error: No such module "EditAtWikidata". Template:Wikidata
input C: 1484, K: 1757, F: 2703
comment

References

  1. Meija, Juris; et al. (2016). "Atomic weights of the elements 2013 (IUPAC Technical Report)". Pure and Applied Chemistry. 88 (3): 265–91. doi:10.1515/pac-2015-0305.
  2. 2.0 2.1 Krieck, Sven; Görls, Helmar; Westerhausen, Matthias (2010). "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 of the American Chemical Society. 132 (35): 12492–12501. doi:10.1021/ja105534w. PMID 20718434. Cite error: Invalid <ref> tag; name "West" defined multiple times with different content

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