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Template:Infobox zinc - Wikipedia, the free encyclopedia

Template:Infobox zinc

From Wikipedia, the free encyclopedia

30 copperzincgallium
-

Zn

Cd
General
Name, symbol, number zinc, Zn, 30
Chemical series transition metals
Group, period, block 124, d
Appearance bluish pale gray
Standard atomic weight 65.409(4)g·mol−1
Electron configuration [Ar] 3d10 4s2
Electrons per shell 2, 8, 18, 2
Physical properties
Phase solid
Density (near r.t.) 7.14 g·cm−3
Liquid density at m.p. 6.57 g·cm−3
Melting point 692.68 K
(419.53 °C, 787.15 °F)
Boiling point 1180 K
(907 °C, 1665 °F)
Heat of fusion 7.32 kJ·mol−1
Heat of vaporization 123.6 kJ·mol−1
Specific heat capacity (25 °C) 0.39 J·mol−1·K−1
Vapor pressure
P/Pa 1 10 100 1 k 10 k 100 k
at T/K 610 670 750 852 990 (1185)
Atomic properties
Crystal structure hexagonal
Oxidation states +1(rare) +2
(amphoteric oxide)
Electronegativity 1.65 (Pauling scale)
Ionization energies
(more)
1st: 906.4 kJ·mol−1
2nd: 1733.3 kJ·mol−1
3rd: 3833 kJ·mol−1
Atomic radius 135 pm
Atomic radius (calc.) 142 pm
Covalent radius 131 pm
Van der Waals radius 139 pm
Miscellaneous
Magnetic ordering diamagnetic
Electrical resistivity (20 °C) 59.0 nΩ·m
Thermal conductivity (300 K) 116 W·m−1·K−1
Thermal expansion (25 °C) 30.2 µm·m−1·K−1
Speed of sound (thin rod) (r.t.) (rolled) 3850 m·s−1
Young's modulus 108 GPa
Shear modulus 43 GPa
Bulk modulus 70 GPa
Poisson ratio 0.25
Mohs hardness 2.5
Brinell hardness 412 MPa
CAS registry number 7440-66-6
Selected isotopes
Main article: Isotopes of zinc
iso NA half-life DM DE (MeV) DP
64Zn 48.6% 64Zn is stable with 34 neutrons
65Zn syn 244.26 d ε - 65Cu
γ 1.1155 -
66Zn 27.9% 66Zn is stable with 36 neutrons
67Zn 4.1% 67Zn is stable with 37 neutrons
68Zn 18.8% 68Zn is stable with 38 neutrons
69Zn syn 56.4 min β 0.906 69Ga
70Zn 0.6% 70Zn is stable with 40 neutrons
References
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