Bk
Berkelium
Element 97 · Actinide · Period 7, Group 11
Solid · Discovered 1949
Atomic Properties
| Atomic Number | 97 |
| Atomic Mass | 247.07031u |
| Electron Configuration | [Rn]7s2 5f9 |
| Electronegativity | 1.3Pauling |
| Atomic Radius | 244pm |
| Ionization Energy | 6.23eV |
| Oxidation States | +4, +3 |
Physical Properties
| Standard State | Solid |
| Melting Point | 1323K |
| Density | 14g/cm³ |
| Group Block | Actinide |
| Year Discovered | 1949 |