Gallium
Atomic number:
31
Atomic weight:
69.723
Shells:
2,8,18,3
Orbitals:
[Ar] 3d10 4s2 4p1
Melting point:
29.78°C
Boiling point:
2204°C
Covalent radius:
1.26
Å
Atomic volume:
11.8
cm³/mol
Atomic radius:
1.81
Å
Ionic radius:
.62 (+3)
Å
Electronegativity:
1.81
Oxidation states:
1st ionization pot.:
5.9993
V
2nd ionization pot.:
20.51
V
3rd ionization pot.:
30.71
V
Specific heat:
0.37
J/gK
Heat of fusion:
5.590
kJ/mol
Heat of vapor.:
258.70
kJ/mol
Thermal conduct.:
0.406
W/cmK
Electrical conduct.:
0.0678
10^6/cm ohm
Density:
5.907
g/cm³
Valence:
2,3