Comparison of Bohrium and Hassium [S]ave
| Attribute |  Bohrium × | Hassium × |
|---|---|---|
| 1↑Discovered (year) | 1976 | 1984 |
| Atomic number | 107 | 108 |
| Group name | Transition metal | Transition metal |
| Oxidation states |
|
|
| Electron configuration | [Rn]7s²5f¹⁴6d⁵ | [Rn]7s²5f¹⁴6d⁶ |
| Atomic mass (u) | 270.133 | 269.1336 |
| Standard state | Solid | Solid |
| Symbol | Bh | Hs |
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