Db
Dubnium
Element 105 · Transition metal · Period 7, Group 5
Solid · Discovered 1967
Atomic Properties
| Atomic Number | 105 |
| Atomic Mass | 268.126u |
| Electron Configuration | [Rn]7s2 5f14 6d3 |
| Oxidation States | 5, 4, 3 |
Physical Properties
| Standard State | Solid |
| Group Block | Transition metal |
| Year Discovered | 1967 |