|
| Atomic Number | 96 |
|
| Atomic Symbol | Cm |
|
| Atomic Weight | [247 amu] |
|
| Group | Rare Earth (Actinide Series) |
|
| Form | Solid |
|
| Density @ STP | 13.51 g/cm3 |
|
| Melting Point | 1345 °C (2453 °F, 1618.15 °K) |
|
| Boiling Point | 3100 °C (5612 °F, 3373.15 °K) (all approx.) |
|
| First Ionization Potential | 6.02 eV |
|
| Ground State Electron Configuration | 5f7 6s2 6p6 6d1 6f2 |
|
| Oxidation States | +3 |
|
| Selected Radioisotopes | 244Cm |
|
| Crystal Structure | Hexagonal |
|
| Discovered by | Seaborg; James; Ghiorso, 1944 |
|