| Element | Radon | Symbol | Rn |
| Atomic Number | 86 | Molar Mass | 222 gmol-1 |
| Electron Configuration | [Xe]4f145d106s26p6 | Normal State | gas nonmetal |
| Density @STP | 9.73x10-3 g cm-3 | Melting Point | -71oC |
| Boiling Point | -62oC | Stable Isotopes | none |
| Atomic Radius | pm | Ionic Radius | pm |
| Electronegativity (Pauling) | Ionization Energy (1st) | 1037 kJ mol-1 | |
| Ionization Energy (2nd) | 1930 kJ mol-1 | Ionization Energy (3rd) | 2890 kJ mol-1 |
| Molar Heat Capacity | 20.8 J K-1mol-1 | Standard Molar Entropy | 176.2 J K-1mol-1 |
| Enthalpy of Fusion | 2.7 kJ mol-1 | Enthalpy of Vapourization | 18.1 kJ mol-1 |