Technical data for Copper

Overview
NameCopper
SymbolCu
Atomic Number29
Atomic Weight63.546
Density8.92 g/cm3
Melting Point1084.62 °C
Boiling Point2927 °C

Thermal properties
PhaseSolid
Melting Point1084.62 °C
Boiling Point2927 °C
Absolute Melting Point1357.77 K
Absolute Boiling Point3.2×103 K
Heat of Fusion13.1 kJ/mol
Heat of Vaporization300 kJ/mol
Heat of CombustionN/A
Specific Heat384.4 J/(kg K)[note]
Thermal Conductivity400 W/(m K)
Thermal Expansion0.0000165 K-1

Bulk physical properties
Density8.92 g/cm3
Density (Liquid)8.02 g/cm3
Molar Volume7.124×10-6
Brinell Hardness874 MPa
Mohs Hardness3 MPa
Vickers Hardness369 MPa
Bulk Modulus140 GPa
Shear Modulus48 GPa
Young Modulus130 GPa
Poisson Ratio0.34
Speed of Sound3570 m/s
Thermal Conductivity400 W/(m K)
Thermal Expansion0.0000165 K-1

Reactivity
Valence2
Electronegativity1.9
ElectronAffinity118.4 kJ/mol
Ionization Energies
745.5, 1957.9, 3555, 5536, 7.7×103, 9.9×103, 1.34×104, 1.6×104, 1.92×104, 2.24×104, 2.56×104, 3.56×104, 3.87×104, 4.2×104, 4.67×104, 5.02×104, 5.37×104, 6.11×104, 64702, 1.637×105, 1.741×105 kJ/mol

Health and Safety
Autoignition PointN/A
FlashpointN/A

Classifications
Alternate NamesCuprum
Nams of AllotropesNone
Blockd
Group11
Period4
Electron Configuration[Ar]3d104s1
ColorCopper
Discovery
8000 BC
Gas phaseN/A
CAS NumberCAS7440-50-8

Electrical properties
Electrical TypeConductor
Electrical Conductivity5.9×107 S/m
Resistivity1.7×10-8 m Ω
Superconducting PointN/A

Magnetic properties
Magnetic TypeDiamagnetic
Curie PointN/A
Mass Magnetic Susceptibility-1.08×10-9
Molar Magnetic Susceptibility-6.86×10-11
Volume Magnetic Susceptibility-9.63×10-6

Abundances
% in Universe6×10-6%
% in Sun0.00007%
% in Meteorites0.011%
% in Earth's Crust0.0068%
% in Oceans3×10-7%
% in Humans0.0001%

Atomic dimensions and structure
Atomic Radius145 pm
Covalent Radius138 pm
Van der Waals Radius140 pm
Crystal StructureFace Centered Cubic
Lattice Angles
π/2, π/2, π/2
Lattice Constants
361.49, 361.49, 361.49 pm
Space Group NameFm_ 3m
Space Group Number225

Nuclear Properties
Half-LifeStable
LifetimeStable
Stable Isotopes
63Cu, 65Cu
Isotopic Abundances
63Cu69.17%
65Cu30.83%

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