| Rn | Radon | Noble Gas |
| Atomic number: | 86 | Atomic weight: | (222.0176) | ||
| Shells: | 2,8,18,32,18,8 | Orbitals: | [Xe] 4f14 5d10 6s2 6p6 | ||
| Melting point: | -71°C | Boiling point: | -61.8°C | ||
| Covalent radius: | -- | Å | Atomic volume: | 50.5 | cm³/mol |
| Atomic radius: | 1.34 | Å | Ionic radius: | -- | Å |
| Electronegativity: | 0 | Oxidation states: | |||
| 1st ionization pot.: | 10.7485 | V | 2nd ionization pot.: | -- | V |
| 3rd ionization pot.: | -- | V | Specific heat: | 0.09 | J/gK |
| Heat of fusion: | 2.890 | kJ/mol | Heat of vapor.: | 16.40 | kJ/mol |
| Thermal conduct.: | 0.0000364 | W/cmK | Electrical conduct.: | -- | 10^6/cm ohm |
| Density: | 0.00973 | g/cm³ | Valence: | 0 |