Comparison of Darmstadtium and Copernicium [S]ave
| Attribute |  Copernicium × | Darmstadtium × |
|---|---|---|
| Discovered (year) | 1996 | 1994 |
| Atomic number | 112 | 110 |
| Group name | Transition metal | Transition metal |
| Oxidation states |
|
|
| Electron configuration | [Rn]7s²5f¹⁴6d¹⁰ (predicted) | [Rn]7s²5f¹⁴6d⁸ (predicted) |
| Atomic mass (u) | 286.179 | 282.166 |
| Standard state | Solid (expected) | Solid (expected) |
| Symbol | Cn | Ds |
Help · Contact us · Disclaimer · Contributors · Developers · Donate