29 Cu 63.546 Copper Transition metal

The first metal humans smelted, and still the nervous system of the electrified world.

Atomic number
29
Atomic mass
63.546 u
Phase
Solid
Electron configuration
[Ar] 3d¹⁰ 4s¹
Melting point
1,357.77 K · 1,084.6 °C
Boiling point
2,835 K · 2,561.9 °C
Density
8.96 g/cm³
Electronegativity
1.9
Period / Group
4 / 11
Discovery year
Ancient
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