Cerium
| Atomic number: |
58 |
|
Atomic weight: |
140.115 |
|
| Shells: |
2,8,18,18,8,2 |
|
Orbitals: |
[Xe] 4f1 5d1 6s2 |
|
| Melting point: |
798°C |
|
Boiling point: |
3433°C |
|
| Covalent radius: |
1.65 |
Å |
Atomic volume: |
20.67 |
cm³/mol |
| Atomic radius: |
2.70 |
Å |
Ionic radius: |
1.14 (+3) |
Å |
| Electronegativity: |
1.12 |
|
Oxidation states: |
(3),4 |
|
| 1st ionization pot.: |
5.5387 |
V |
2nd ionization pot.: |
10.851 |
V |
| 3rd ionization pot.: |
20.20 |
V |
Specific heat: |
0.19 |
J/gK |
| Heat of fusion: |
5.460 |
kJ/mol |
Heat of vapor.: |
414.0 |
kJ/mol |
| Thermal conduct.: |
0.114 |
W/cmK |
Electrical conduct.: |
0.0115 |
10^6/cm ohm |
| Density: |
6.78 |
g/cm³ |
Valence: |
3,4 |
|
