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Copper  SEE PERIODIC TABLE
see article  SEE FULL ARTICLE


Atomic Number29

Atomic SymbolCu

Atomic Weight63.546 amu

GroupTransition, 11

FormSolid

Density @ STP8.96 g/cm3

Melting Point1084.62 °C (1984.32 °F, 1357.77 °K)

Boiling Point2562 °C (4643.6 °F, 2835.2 °K)

Heat of Fusion13.26 kJ/mol

Heat of Vaporization300 kJ/mol

First Ionization Potential7.72638 eV

Electronegativity (on Pauling scale)1.90

Specific Heat Capacity0.385 J/g K

Ground State Electron Configuration3d10 4s1

Oxidation States+1, +2

Stable Isotopes and Natural Abundance on Earth63Cu, 69.17%; 65Cu, 30.83%

Selected Radioisotopes61Cu, 62Cu, 64Cu, 67Cu

Atomic Radius145 pm

Crystal StructureCubic

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