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Cu

Copper

#29 · Transition Metal

Mass63.546 u
Density8.96 g/cm³
Melting1357.77 K
Boiling2835.0 K
Electronegativity1.9
Ionization Energy745.5 kJ/mol
Atomic Radius128.0 pm
Blockd-block
State (RT)Solid
Config[Ar] 3d10 4s1
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