Comparison of Meitnerium and Darmstadtium [S]ave
| Attribute |  Darmstadtium × | Meitnerium × |
|---|---|---|
| Discovered (year) | 1994 | 1982 |
| Atomic number | 110 | 109 |
| Group name | Transition metal | Transition metal |
| Oxidation states |
|
|
| Electron configuration | [Rn]7s²5f¹⁴6d⁸ (predicted) | [Rn]7s²5f¹⁴6d⁷ (calculated) |
| Atomic mass (u) | 282.166 | 277.154 |
| Standard state | Solid (expected) | Solid |
| Symbol | Ds | Mt |
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