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 |
|
