Template:Infobox nickel

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28 cobalt ← nickel → copper - ↑ Ni ↓ Pd Periodic table - Extended periodic table
General
Name, symbol, number	nickel, Ni, 28
Chemical series	transition metals
Group, period, block	10, 4, 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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