Atomic number 54Xe
Xenon
জেনন
- Noble gas
- Group 18
- Period 5
- Atomic mass 131.290 u
- Gas
- Electrons per shell
- 2, 8, 18, 18, 8
- Electron configuration
- [Kr] 4d10 5s2 5p6
- Nucleus
- 54 protons, 78 neutrons
- Valence electrons
- 8
Speed1×
- Group
- 18
- Period
- 5
- Block
- p-block
- Category
- Noble gas
- State at 25 °C
- Gas