| Property | Value |
|---|---|
| Atomic number | 97 |
| Atomic weight | 247.0703 amu |
| Element family | Actinoids |
| Electronic configuration | 1s2 |
| Stable and very long lived isotopes | None |
| Previous element | Curium |
| Next element | Californium |
| Density | 14.79 g/cm3 (STP) |
| Melting | 986 °C |
| Boiling | 2627 °C |
| Ionic radius | 0.949 Å |
| Metallic radius | 1.7 Å |
| First ionization potential | 6.229 eV |
| Electron affinity | -1.720 eV |
| Electronegativity | 1.3 |
| Discovery year | 1949 |
Berkelium is an element number 97 from actinoids family. Its symbol is Bk. Berkelium atomic weight is 247.0703 amu. Bk has no stable or long lived isotopes. Berkelium electronic configuration is 1s22s22p63s23p63d104s24p64d104f145s25p65d106s26p67s25f9. Berkelium density is 14.79 g/cm3 (STP). Berkelium melting point is 986 °C. Berkelium boiling point is 2627 °C. Berkelium ionic radius is 0.949 Å. Berkelium covalent radius is 1.7 Å. Berkelium first ionization potential is 6.229 eV. Berkelium first ionization potential is -1.720 eV. Berkelium electronegativity by Pauling scale is 1.3. Berkelium was discovered in 1949.
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