Radon — Rn
The chemical element Radon is an element of type No noble gas metal with the symbol Rn. It has an atomic mass of 222 u and an electronic configuration of [Xe] 4f14 5d10 6s2 6p6.
Synthétique
Radioactif
Liquide
Gaz
8
18
32
18
8
- Atomic number
- 86
- Atomic mass
- 222
- Symbol
- Rn
- Melting point
- -71
- Boiling point
- -61.8
- Density
- 0.00973
- Period
- 6
- Group
- 18
- Discovery
- 1900 Dorn
- Abundance
- 0.001
- Radius
- 1.3
- Electronegativity
- 0
- Ionization
- 10.7485
- Isotope
- 20
- Electronic configuration
- [Xe] 4f14 5d10 6s2 6p6
- Oxidation state
- 2
- Electron
- 2,8,18,32,18,8