Template:Infobox nickel

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28 cobaltnickelcopper
-

Ni

Pd
General
Name, symbol, number nickel, Ni, 28
Chemical series transition metals
Group, period, block 104, d
Appearance lustrous, metallic and
silvery with a gold tinge
Standard atomic weight 58.6934(2)g·mol−1
Electron configuration [Ar] 4s2 3d8
Electrons per shell 2, 8, 16, 2
Physical properties
Phase solid
Density (near r.t.) 8.908 g·cm−3
Liquid density at m.p. 7.81 g·cm−3
Melting point 1728 K
(1455 °C, 2651 °F)
Boiling point 3186 K
(2913 °C, 5275 °F)
Heat of fusion 17.48 kJ·mol−1
Heat of vaporization 377.5 kJ·mol−1
Specific heat capacity (25 °C) 26.07 J·mol−1·K−1
Vapor pressure
P/Pa 1 10 100 1 k 10 k 100 k
at T/K 1783 1950 2154 2410 2741 3184
Atomic properties
Crystal structure face centered cubic
0.3520 nm
Oxidation states 4 [1], 3, 2, 1 [2]
(mildly basic oxide)
Electronegativity 1.91 (Pauling scale)
Ionization energies
(more)
1st: 737.1 kJ·mol−1
2nd: 1753.0 kJ·mol−1
3rd: 3395 kJ·mol−1
Atomic radius 135 pm
Atomic radius (calc.) 149 pm
Covalent radius 121 pm
Van der Waals radius 163 pm
Miscellaneous
Magnetic ordering ferromagnetic
Electrical resistivity (20 °C) 69.3 nΩ·m
Thermal conductivity (300 K) 90.9 W·m−1·K−1
Thermal expansion (25 °C) 13.4 µm·m−1·K−1
Speed of sound (thin rod) (r.t.) 4900 m·s−1
Young's modulus 200 GPa
Shear modulus 76 GPa
Bulk modulus 180 GPa
Poisson ratio 0.31
Mohs hardness 4.0
Vickers hardness 638 MPa
Brinell hardness 700 MPa
CAS registry number 7440-02-0
Selected isotopes
Main article: Isotopes of nickel
iso NA half-life DM DE (MeV) DP
56Ni syn 6.075 d ε - 56Co
γ 0.158, 0.811 -
58Ni 68.077% 58Ni is stable with 30 neutrons
59Ni syn 76000 y ε - 59Co
60Ni 26.233% 60Ni is stable with 32 neutrons
61Ni 1.14% 61Ni is stable with 33 neutrons
62Ni 3.634% 62Ni is stable with 34 neutrons
63Ni syn 100.1 y β- 0.0669 63Cu
64Ni 0.926% 64Ni is stable with 36 neutrons
References
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