Samarium
Electron Configuration
|
General Properties
| Atomic Symbol | Sm |
| Atomic Weight | 150.36 g/mol |
| Element Number | 62 |
| Standard State | Solid |
| Standard Type | Strongly Basic |
| Date of Discovery | 1879 |
| Discoverer | Boisbaudran |
Physical Properties
| Oxidation States | 3, 2 |
| Boiling Point | 2067 K |
| Melting Point | 1347 K |
| Density | 7.52 g/cm³ |
| Electron Configuration | [Xe]4f6,6s2 |
| Acid/Base Properties | Basic |
| Crystal Structure | Rhombohedral |
| Electronegativity | 1.17 |
| Heat of Vaporization | 191.63 kJ/mol |
| Heat of Fusion | 11.09 kJ/mol |
| Electrical Conductivity | 1.1 10^6omg-¹cm-¹ |
| Thermal Conductivity | 13.3 Wm-¹K-¹ (at 300 K) |
| Specific Heat Capacity | 0.197 Jg-¹K-¹ (at 300 K) |
| First Ionization Potential | 5.63 |
| Atomic Volume | 19.90 cm³/mol |
| Atomic Radius | 1.81 Å |
| Covalent Radius | 1.62 Å |
| Synthetic | No |