Xenon vs Radon
Pick up to 3 elements and see how they stack up.
| Property | Xenon | Radon |
|---|---|---|
| Atomic number | 54 | 86 |
| Atomic mass | 131.29 | 222 |
| Electronegativity | 2.6 | 2.2 |
| Melting point | 161.4 K (-111.7 °C) | 202 K (-71.1 °C) |
| Boiling point | 165.03 K (-108.1 °C) | 211.3 K (-61.8 °C) |
| Density | 5.894 g/L | 9.73 g/L |
| Atomic radius | 216 pm | 220 pm |
| Ionization energy | 12.13 eV | 10.745 eV |
| Discovered | 1898 | 1899 |
| Category | Noble gas | Noble gas |
| State at room temp. | Gas | Gas |
| Block | p | p |
| Group | 18 | 18 |
| Period | 5 | 6 |
| Valence electrons | 8 | 8 |
| Common charges | 0 | 0 |
| Electron configuration | [Kr] 4d10 5s2 5p6 | [Xe] 4f14 5d10 6s2 6p6 |