Atomic Number 29     Atomic Mass 63.546     Density 8.92 g/mL

State solid     Color red     Electronegativity 1.9

Melting Point 1063°C     Boiling Point 2567°C

Natural Isotopes Cu-63 69.17%   Cu-65 30.83%

Abbreviated Electron Configuration [Ar] 3d¹⁰ 4s¹

Known since BC