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Technical data for Nickel

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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
Critical PressureN/A
Critical TemperatureN/A
Heat of Fusion17.2 kJ/mol
Heat of Vaporization378 kJ/mol
Heat of CombustionN/A
Specific Heat445 J/(kg K)[note]
Adiabatic IndexN/A
Neel PointN/A
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
Refractive IndexN/A
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
Heat of CombustionN/A
DOT Hazard Class4.1
DOT Numbers3089
EU NumberN/A
NFPA Fire Rating4
NFPA HazardsN/A
NFPA Health Rating2
NFPA Reactivity Rating1
RTECS NumberRTECSQR5950000
NFPA LabelNFPA Label

Classifications
Alternate NamesNone
Names of AllotropesNone
Blockd
Group10
Period4
Electron Configuration[Ar]3d84s2
ColorGray
Discovery
1751 in Sweden
Gas phaseN/A
CAS NumberCAS7440-02-0
CID NumberCID935
Gmelin NumberN/A
NSC NumberN/A
RTECS NumberRTECSQR5950000

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
Decay ModeN/A
Quantum Numbers3F4
Neutron Cross Section37.2
Neutron Mass Absorption0.0026
Known Isotopes
48Ni, 49Ni, 50Ni, 51Ni, 52Ni, 53Ni, 54Ni, 55Ni, 56Ni, 57Ni, 58Ni, 59Ni, 60Ni, 61Ni, 62Ni, 63Ni, 64Ni, 65Ni, 66Ni, 67Ni, 68Ni, 69Ni, 70Ni, 71Ni, 72Ni, 73Ni, 74Ni, 75Ni, 76Ni, 77Ni, 78Ni
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.

Up to date, curated data provided by
Mathematica's ElementData function from Wolfram Research, Inc.

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