Sm
Samarium
Element 62 · Lanthanide · Period 6, Group 8
Solid · Discovered 1879
Atomic Properties
| Atomic Number | 62 |
| Atomic Mass | 150.4u |
| Electron Configuration | [Xe]6s2 4f6 |
| Electronegativity | 1.17Pauling |
| Atomic Radius | 229pm |
| Ionization Energy | 5.644eV |
| Oxidation States | +3, +2 |
Physical Properties
| Standard State | Solid |
| Melting Point | 1347K |
| Boiling Point | 2067K |
| Density | 7.52g/cm³ |
| Group Block | Lanthanide |
| Year Discovered | 1879 |