Comparison of Bohrium and Hassium [S]ave
| Attribute |  Hassium × | Bohrium × |
|---|---|---|
| Discovered (year) | 1984 | 1976 |
| Atomic number | 108 | 107 |
| Group name | Transition metal | Transition metal |
| Oxidation states |
|
|
| Electron configuration | [Rn]7s²5f¹⁴6d⁶ | [Rn]7s²5f¹⁴6d⁵ |
| Atomic mass (u) | 269.1336 | 270.133 |
| Standard state | Solid | Solid |
| Symbol | Hs | Bh |
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