Technical data for Nickel

Overview
NameNickel
SymbolNi
Atomic Number28
Atomic Weight58.6934
Density8.908 g/cm3
Melting Point1455 °C
Boiling Point2913 °C

Thermal properties
PhaseSolid
Melting Point1455 °C
Boiling Point2913 °C
Absolute Melting Point1728 K
Absolute Boiling Point3186 K
Heat of Fusion17.2 kJ/mol
Heat of Vaporization378 kJ/mol
Heat of CombustionN/A
Specific Heat445 J/(kg K)[note]
Thermal Conductivity91 W/(m K)
Thermal Expansion0.0000134 K-1

Bulk physical properties
Density8.908 g/cm3
Density (Liquid)7.81 g/cm3
Molar Volume6.5888×10-6
Brinell Hardness700 MPa
Mohs Hardness4 MPa
Vickers Hardness638 MPa
Bulk Modulus180 GPa
Shear Modulus76 GPa
Young Modulus200 GPa
Poisson Ratio0.31
Speed of Sound4970 m/s
Thermal Conductivity91 W/(m K)
Thermal Expansion0.0000134 K-1

Reactivity
Valence2
Electronegativity1.91
ElectronAffinity112 kJ/mol
Ionization Energies
737.1, 1753, 3395, 5.3×103, 7339, 1.04×104, 1.28×104, 1.56×104, 1.86×104, 21670, 30970, 3.4×104, 3.71×104, 4.15×104, 4.48×104, 4.81×104, 55101, 58570, 1.487×105, 1.59×105, 1.694×105 kJ/mol

Health and Safety
Autoignition PointN/A
FlashpointN/A

Classifications
Alternate NamesNone
Nams of AllotropesNone
Blockd
Group10
Period4
Electron Configuration[Ar]3d84s2
ColorGray
Discovery
1751 in Sweden
Gas phaseN/A
CAS NumberCAS7440-02-0

Electrical properties
Electrical TypeConductor
Electrical Conductivity1.4×107 S/m
Resistivity7×10-8 m Ω
Superconducting PointN/A

Magnetic properties
Magnetic TypeFerromagnetic
Curie Point631 K
Mass Magnetic SusceptibilityN/A
Molar Magnetic SusceptibilityN/A
Volume Magnetic SusceptibilityN/A

Abundances
% in Universe0.006%
% in Sun0.008%
% in Meteorites1.3%
% in Earth's Crust0.0089%
% in Oceans2×10-7%
% in Humans0.00001%

Atomic dimensions and structure
Atomic Radius149 pm
Covalent Radius121 pm
Van der Waals Radius163 pm
Crystal StructureFace Centered Cubic
Lattice Angles
π/2, π/2, π/2
Lattice Constants
352.4, 352.4, 352.4 pm
Space Group NameFm_ 3m
Space Group Number225

Nuclear Properties
Half-LifeStable
LifetimeStable
Stable Isotopes
58Ni, 60Ni, 61Ni, 62Ni, 64Ni
Isotopic Abundances
58Ni68.0769%
60Ni26.2231%
61Ni1.1399%
62Ni3.6345%
64Ni0.9256%

Notes on the properties of Nickel:
Specific Heat: Value given for solid phase.