Atomic Properties
- Atomic Number
- 96
- Atomic Mass
- 247.0000 u
- Electron Configuration
- [Rn] 5f7 6d1 7s2
- Electronegativity
- 1.28
- Block
- f-block
- Group
- —
- Period
- 7
Physical Properties
- Phase (STP)
- solid
- Melting Point
- 1613.00 K
- Boiling Point
- 3383.00 K
- Density
- 13.5100 g/cm³
About Curium
Named after Marie and Pierre Curie; used in space exploration.
Isotopes of Curium
Curium has 0 naturally occurring isotopes, plus 6 notable radioactive isotopes.
| Isotope | Mass Number | Atomic Mass (u) | Abundance | Type |
|---|---|---|---|---|
| 243Cm | 243 | 243.0613893 | — | Radioactive |
| 244Cm | 244 | 244.0627528 | — | Radioactive |
| 245Cm | 245 | 245.0654915 | — | Radioactive |
| 246Cm | 246 | 246.0672238 | — | Radioactive |
| 247Cm | 247 | 247.0703541 | — | Radioactive |
| 248Cm | 248 | 248.0723499 | — | Radioactive |
Data source: NIH PubChem (aggregated from IUPAC, NIST)