Samarium
Atomic number:
62
Atomic weight:
150.36
Shells:
2,8,18,24,8,2
Orbitals:
[Xe] 4f6 6s2
Melting point:
1074°C
Boiling point:
1794°C
Covalent radius:
1.62
Å
Atomic volume:
19.95
cm³/mol
Atomic radius:
2.59
Å
Ionic radius:
1.08 (+3)
Å
Electronegativity:
1.17
Oxidation states:
(3),2
1st ionization pot.:
5.6437
V
2nd ionization pot.:
11.069
V
3rd ionization pot.:
23.423
V
Specific heat:
0.20
J/gK
Heat of fusion:
8.630
kJ/mol
Heat of vapor.:
166.40
kJ/mol
Thermal conduct.:
0.133
W/cmK
Electrical conduct.:
0.00956
10^6/cm ohm
Density:
7.54
g/cm³
Valence:
2,3