Attribute | Nihonium × | Darmstadtium × |
---|---|---|
Discovered (year) | 2004 | 1994 |
Atomic number | 113 | 110 |
Group name | Post-transition metal | Transition metal |
1↑Oxidation states | - |
|
Electron configuration | [Rn]5f¹⁴6d¹⁰7s²7p¹ (predicted) | [Rn]7s²5f¹⁴6d⁸ (predicted) |
Atomic mass (u) | 286.182 | 282.166 |
Standard state | Solid (expected) | Solid (expected) |
Symbol | Nh | Ds |