Bohrium vs Hassium
Pick up to 3 elements and see how they stack up.
| Property | Bohrium | Hassium |
|---|---|---|
| Atomic number | 107 | 108 |
| Atomic mass | 270 | 277 |
| Electronegativity | — | — |
| Melting point | — | — |
| Boiling point | — | — |
| Density | — | — |
| Atomic radius | — | — |
| Ionization energy | — | — |
| Discovered | 1981 | 1984 |
| Category | Transition metal | Transition metal |
| State at room temp. | Unknown | Unknown |
| Block | d | d |
| Group | 7 | 8 |
| Period | 7 | 7 |
| Valence electrons | 2 | 2 |
| Common charges | +3, +4, +5, +7 | +2, +3, +4, +5, +6, +8 |
| Electron configuration | [Rn] 5f14 6d5 7s2 | [Rn] 5f14 6d6 7s2 |