Comparison of Dubnium and Hassium [S]ave
| Attribute |  Hassium × | Dubnium × |
|---|---|---|
| Discovered (year) | 1984 | 1967 |
| Atomic number | 108 | 105 |
| Group name | Transition metal | Transition metal |
| Oxidation states |
|
|
| Electron configuration | [Rn]7s²5f¹⁴6d⁶ | [Rn]7s²5f¹⁴6d³ |
| Atomic mass (u) | 269.1336 | 268.126 |
| Standard state | Solid | Solid |
| Symbol | Hs | Db |
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