Antimony
Atomic number:
51
Atomic weight:
121.757
Shells:
2,8,18,18,5
Orbitals:
[Kr] 4d10 5s2 5p3
Melting point:
630.74°C
Boiling point:
1587°C
Covalent radius:
1.40
Å
Atomic volume:
18.23
cm³/mol
Atomic radius:
1.53
Å
Ionic radius:
.76 (+3)
Å
Electronegativity:
2.05
Oxidation states:
(±3),5
1st ionization pot.:
8.64
V
2nd ionization pot.:
16.53
V
3rd ionization pot.:
25.30
V
Specific heat:
0.21
J/gK
Heat of fusion:
19.870
kJ/mol
Heat of vapor.:
77.140
kJ/mol
Thermal conduct.:
0.243
W/cmK
Electrical conduct.:
0.0288
10^6/cm ohm
Density:
6.684
g/cm³
Valence:
0,-3,3,5