Atomic number 86Rn
Radon
রেডন
- Noble gas
- Group 18
- Period 6
- Atomic mass [222] u
- Gas
- Electrons per shell
- 2, 8, 18, 32, 18, 8
- Electron configuration
- [Xe] 4f14 5d10 6s2 6p6
- Nucleus
- 86 protons, 136 neutrons
- Valence electrons
- 8
Speed1×
- Group
- 18
- Period
- 6
- Block
- p-block
- Category
- Noble gas
- State at 25 °C
- Gas