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Atomic Number	29

Atomic Symbol	Cu

Atomic Weight	63.546 amu

Group	Transition, 11

Form	Solid

Density @ STP	8.96 g/cm³

Melting Point	1084.62 °C (1984.32 °F, 1357.77 °K)

Boiling Point	2562 °C (4643.6 °F, 2835.2 °K)

Heat of Fusion	13.26 kJ/mol

Heat of Vaporization	300 kJ/mol

First Ionization Potential	7.72638 eV

Electronegativity (on Pauling scale	1.90

Specific Heat Capacity	0.385 J/g K

Ground State Electron Configuration	3d¹⁰ 4s¹

Oxidation State(s)	+1, +2

Stable Isotopes and Natural Abundance on Earth	⁶³Cu, 69.17%; ⁶⁵Cu, 30.83%

Selected Radioisotopes	⁶¹Cu, ⁶²Cu, ⁶⁴Cu, ⁶⁷Cu

Atomic Radius	145 pm

Crystal Structure	Cubic