Atomic number 105Db
Dubnium
ডুবনিয়াম
- Transition metal
- Group 5
- Period 7
- Atomic mass [268] u
- Solid
- Electrons per shell
- 2, 8, 18, 32, 32, 11, 2
- Electron configuration
- [Rn] 5f14 6d3 7s2
- Nucleus
- 105 protons, 163 neutrons
Speed1×
- Group
- 5
- Period
- 7
- Block
- d-block
- Category
- Transition metal
- State at 25 °C
- Solid