Template:Infobox cadmium

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

Cadmium, 48Cd
Cadmium-crystal bar.jpg
Cadmium
Pronunciation/ˈkædmiəm/ (Template:Respell)
Appearancesilvery bluish-gray metallic
Standard atomic weight Ar, std(Cd)Template:Val[1]
Cadmium in the periodic table
Template:Periodic table (32 columns, micro) Zn

Cd

Hg
silvercadmiumindium
Atomic number (Z)48
Groupgroup 12
Periodperiod 5
Block  d-block
Element categories, alternatively considered an other metal
Electron configuration[Kr] 4d10 5s2
Electrons per shell2, 8, 18, 18, 2
Physical properties
Phase at STPsolid
Melting point594.22 K ​(321.07 °C, ​609.93 °F)
Boiling point1040 K ​(767 °C, ​1413 °F)
Density (near r.t.)8.65 g/cm3
when liquid (at m.p.)7.996 g/cm3
Heat of fusion6.21 kJ/mol
Heat of vaporization99.87 kJ/mol
Molar heat capacity26.020 J/(mol·K)
Vapor pressure
P (Pa) 1 10 100 1 k 10 k 100 k
at T (K) 530 583 654 745 867 1040
Atomic properties
Oxidation states−2, +1, +2 (a mildly basic oxide)
ElectronegativityPauling scale: 1.69
Ionization energies
  • 1st: 867.8 kJ/mol
  • 2nd: 1631.4 kJ/mol
  • 3rd: 3616 kJ/mol
Atomic radiusempirical: 151 pm
Covalent radius144±9 pm
Van der Waals radius158 pm
Color lines in a spectral range
Spectral lines of cadmium
Other properties
Natural occurrenceprimordial
Crystal structurehexagonal close-packed (hcp)
Hexagonal close packed crystal structure for cadmium
Speed of sound thin rod2310 m/s (at 20 °C)
Thermal expansion30.8 µm/(m·K) (at 25 °C)
Thermal conductivity96.6 W/(m·K)
Electrical resistivity72.7 nΩ·m (at 22 °C)
Magnetic orderingdiamagnetic[2]
Magnetic susceptibility−19.8·10−6 cm3/mol[3]
Young's modulus50 GPa
Shear modulus19 GPa
Bulk modulus42 GPa
Poisson ratio0.30
Mohs hardness2.0
Brinell hardness203–220 MPa
CAS Number7440-43-9
History
Discovery and first isolationKarl Samuel Leberecht Hermann and Friedrich Stromeyer (1817)
Named byFriedrich Stromeyer (1817)
Main isotopes of cadmium
[[Isotope|IsoTemplate:Shytope]] [[Natural abundance|AbunTemplate:Shydance]] Half-life (t1/2) Decay mode [[Decay product|ProTemplate:Shyduct]]
106Cd 1.25% stable
107Cd syn 6.5 h ε 107Ag
108Cd 0.89% stable
109Cd syn 462.6 d ε 109Ag
110Cd 12.47% stable
111Cd 12.80% stable
112Cd 24.11% stable
113Cd 12.23% 7.7×1015 y β 113In
113mCd syn 14.1 y β 113In
IT 113Cd
114Cd 28.75% stable
115Cd syn 53.46 h β 115In
116Cd 7.51% 3.1×1019 y ββ 116Sn
Category Category: Cadmium
| references

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

data m.p. cat
in calc from C diff report ref
C 321.07
K 594.22 594.22 0
F 609.93 609.93 0 Template:Subpage other
max precision 2
WD Template:Wikidata Script error: No such module "EditAtWikidata". Template:Wikidata
input C: 321.07, K: 594.22, F: 609.93
comment
data b.p. cat
in calc from C diff report ref
C 767
K 1040 1040 0
F 1413 1413 0 Template:Subpage other
max precision 0
WD Template:Wikidata Script error: No such module "EditAtWikidata". Template:Wikidata
input C: 767, K: 1040, F: 1413
comment
Ag ←

i'box Ag

iso
48
Cd (E)
→ In

i'box In

  Data sets read by {{Infobox element}}
Name and identifiers
Top image (caption, alt)
Pronunciation
Category (enwiki)
Standard atomic weight
  most stable isotope
Natural occurrence
Phase at STP
Oxidation states
Spectral lines image
Electron configuration (cmt, ref)
Term symbol * (cmt, ref)
Wikidata *
* Not used in {{Infobox element}} (2019-02-03)
See also {{Infobox element/symbol-to--navbox}}

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. Lide, D. R., ed. (2005). "Magnetic susceptibility of the elements and inorganic compounds". CRC Handbook of Chemistry and Physics (PDF) (86th ed.). Boca Raton (FL): CRC Press. ISBN 0-8493-0486-5.
  3. Weast, Robert (1984). CRC, Handbook of Chemistry and Physics. Boca Raton, Florida: Chemical Rubber Company Publishing. pp. E110. ISBN 0-8493-0464-4.

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