Atomic Radii
Atomic Radius
Bohr Radius
Covalent Radius
Van der Waals
| Cerium | |
| Electron Configuration | 2,8,18,19,9,2 |
| Electron Configuration | [Xe]] 4f1 5d1 6s2 |
| Electronegativity | 1.12 |
| Enthalpy of Fusion | 8.87 kJ mol-1 |
| Enthalpy of Vaporisation | 398 kJ mol-1 |
| Heat Capacity | 26.94 J mol-1 K-1 |
| Thermal Conductivity | 11.3 W m-1 K-1 |
| Thermal Expansion | 6.3 μm m-1 K-1 |
| Magnetic ordering | No data |
| Electrical resistivity | 828 Ω m |
| Speed of sound | 2100 m s-1 |
| Young's modulus | 33.6 GPa |
| Shear modulus | 2100 GPa |
| Bulk modulus | 21.5 GPa |
| Poisson ratio | 0.24 |
| Mohs hardness | 2.5 |
| Vickers hardness | 270 MPa |
| Brinell hardness | 412 MPa |
| Atomic Radii |
|
| Atomic Radius
|
185 pm |
| Bohr Radius
|
0 pm |
| Covalent Radius
|
0 pm |
| Van der Waals
|
0 pm |
| Oxidation States |
|
| Main
|
Ce+3 |
| Other
|
Ce+4 |
Ionisation Energies (kJ mol-1)  |
|
| M - M+ |
527.4 |
| M+ - M2+ |
1047 |
| M2+ - M3+ |
1949 |
| M3+ - M4+ |
3547 |
| M4+ - M5+ |
6800 |
| M5+ - M6+ |
8200 |
| M6+ - M7+ |
9700 |
| M7+ - M8+ |
11800 |
| M8+ - M9+ |
13200 |
| M9+ - M10+ |
14700 |