Antimony

Sb
Antimony
Metal

 

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