| Property | Value |
|---|---|
| Atomic number | 96 |
| Atomic weight | 247.0703 amu |
| Element family | Actinoids |
| Electronic configuration | 1s2 |
| Stable and very long lived isotopes | None |
| Previous element | Americium |
| Next element | Berkelium |
| Density | 13.51 g/cm3 (STP) |
| Melting | 1067 °C |
| Boiling | 3110 °C |
| Covalent radius | 1.66 Å |
| Ionic radius | 0.97 Å |
| Metallic radius | 1.74 Å |
| First ionization potential | 6.021 eV |
| Electron affinity | 0.280 eV |
| Electronegativity | 1.28 |
| Discovery year | 1944 |
Curium is an element number 96 from actinoids family. Its symbol is Cm. Curium atomic weight is 247.0703 amu. Cm has no stable or long lived isotopes. Curium electronic configuration is 1s22s22p63s23p63d104s24p64d104f145s25p65d106s26p67s26d15f7. Curium density is 13.51 g/cm3 (STP). Curium melting point is 1067 °C. Curium boiling point is 3110 °C. Curium covalent radius is 1.66 Å. Curium ionic radius is 0.97 Å. Curium covalent radius is 1.74 Å. Curium first ionization potential is 6.021 eV. Curium first ionization potential is 0.280 eV. Curium electronegativity by Pauling scale is 1.28. Curium was discovered in 1944.
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