Copper
Cu
Copper
Transition Metal
Atomic number:
29
Atomic weight:
63.546
Shells:
2,8,18,1
Orbitals:
[Ar] 3d10 4s1
Melting point:
1083°C
Boiling point:
2567°C
Covalent radius:
1.17
Å
Atomic volume:
7.1
cm³/mol
Atomic radius:
1.57
Å
Ionic radius:
.73 (+2)
Å
Electronegativity:
1.90
Oxidation states:
(2),1
1st ionization pot.:
7.7264
V
2nd ionization pot.:
20.292
V
3rd ionization pot.:
36.83
V
Specific heat:
0.38
J/gK
Heat of fusion:
13.050
kJ/mol
Heat of vapor.:
300.30
kJ/mol
Thermal conduct.:
4.01
W/cmK
Electrical conduct.:
0.596
10^6/cm ohm
Density:
8.96
g/cm³
Valence:
1,2
