Xenon |
| Symbol | Xe |
|---|---|
| Latin name | Xenon |
| Atomic number | 54 |
| Period | 5 |
| Element category | Noble gases |
| Relative atomic mass | 131.29 |
| Group | VIII.A |
| Oxidation numbers | 2, 4, 6, 8 |
| Electron configuration | 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 5s2 5p6 |
| Density [g/cm3] | 0.0058671 |
| State | Gas |
| Melting point [°C] | -111.82 |
| Boiling point [°C] | -108.12 |
| Critical point [°C] | 16.62 |
| Critical pressure [MPa] | 5.841 |
| Atomic radius [pm] | 108 |
| Covalent radius [pm] | 130 |
| Thermal conductivity [W m-1K-1] | 0.00569 |
| Heat capacity [J K-1g-1] | 0.158 |
| Discovery | 1898 |
| 1.st ionization energy [eV] | 12.1299 |
| 2.nd ionization energy [eV] | 21.21 |
| 3.rd ionization energy [eV] | 32.1 |
| Stable isotopes | 2 |
| Unstable isotopes | 22 |