Ce
Cerium
Element 58 · Lanthanide · Period 6, Group 4
Solid · Discovered 1803
Atomic Properties
| Atomic Number | 58 |
| Atomic Mass | 140.116u |
| Electron Configuration | [Xe]6s2 4f1 5d1 |
| Electronegativity | 1.12Pauling |
| Atomic Radius | 235pm |
| Ionization Energy | 5.539eV |
| Electron Affinity | 0.5eV |
| Oxidation States | +4, +3 |
Physical Properties
| Standard State | Solid |
| Melting Point | 1071K |
| Boiling Point | 3697K |
| Density | 6.77g/cm³ |
| Group Block | Lanthanide |
| Year Discovered | 1803 |