(From the
Greek Kyprios, "
Cyprus", noted for its copper mines) A reddish-brown, malleable,
ductile,
metallic chemical element that is
corrosion-resistant and an excellent
conductor of
electricity and
heat.
Symbol: Cu
Atomic number: 29
Atomic weight: 63.546
Density (at room temperature and pressure): 8.96 g/cc
Melting point: 1,084.62°C
Boiling point: 2,567°C
Valence: +1, +2
Ground state electron configuration: [Ar]3d104s1