Template:Infobox cadmium

Cadmium,  ₄₈Cd

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General properties
Pronunciation	Template:Infobox element/pronunciation
Appearance	silvery bluish-gray metallic
Standard atomic weight (Ar, standard)	Template:Infobox element/standard atomic weight
Mass number	Template:Infobox element/symbol-to-most-stable-isotope (most stable isotope)
Cadmium in the periodic table
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Atomic number (Z)	48
Group	Template:Infobox element/group
Period	period 5
Block	d-block
Element category	Template:Infobox element/category format, alternatively considered a transition metal
Electron configuration	[Kr] 4d10 5s2
Electrons per shell	2, 8, 18, 18, 2
Physical properties
Phase at STP	solid
Melting point	594.22 K ​(321.07 °C, ​609.93 °F)
Boiling point	1040 K ​(767 °C, ​1413 °F)
Density (near r.t.)	8.65 g/cm3
when liquid (at m.p.)	7.996 g/cm3
Heat of fusion	6.21 kJ/mol
[[Enthalpy of vaporization|Heat of Template:Engvar]]	99.87 kJ/mol
Molar heat capacity	26.020 J/(mol·K)
[[Vapor pressure|Template:Engvar pressure]] Template:Infobox element/vapor pressure table
Atomic properties
Oxidation states	Template:Infobox element/symbol-to-oxidation-state
Electronegativity	Pauling scale: 1.69
[[Ionization energy|Template:Engvar energies]]	1st: 867.8 kJ/mol 2nd: 1631.4 kJ/mol 3rd: 3616 kJ/mol
Atomic radius	empirical: 151 pm
Covalent radius	144±9 pm
Van der Waals radius	158 pm
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Other properties
Crystal structure	​Template:Infobox element/crystal structure Template:Infobox element/crystal structure
Speed of sound thin rod	2310 m/s (at 20 °C)
Thermal expansion	30.8 µm/(m·K) (at 25 °C)
Thermal conductivity	96.6 W/(m·K)
Electrical resistivity	72.7 nΩ·m (at 22 °C)
Magnetic ordering	diamagnetic
Magnetic susceptibility	−19.8·10−6 cm3/mol
Young's modulus	50 GPa
Shear modulus	19 GPa
Bulk modulus	42 GPa
Poisson ratio	0.30
Mohs hardness	2.0
Brinell hardness	203–220 MPa
CAS Number	7440-43-9
History
Discovery and first isolation	Karl Samuel Leberecht Hermann and Friedrich Stromeyer (1817)
Named by	Friedrich Stromeyer (1817)
Main isotopes of cadmium
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