Attribute | Xenon × | Chlorine × |
---|---|---|
Atomic mass (u) | 131.29 | 35.45 |
Standard state | Gas | Gas |
Oxidation states |
|
|
1↑Electron configuration | [Kr]5s²4d¹⁰5p⁶ | [Ne]3s²3p⁵ |
Atomic radius (van der waals) (pm) | 216 | 175 |
Electronegativity (pauling scale) | 2.6 | 3.16 |
Electron affinity (eV) | - | 3.617 |
Ionization energy (eV) | 12.13 | 12.968 |
Boiling point (K) | 165.03 | 239.11 |
Melting point (K) | 161.36 | 171.65 |
Density (g/cm³) | 0.005887 | 0.003214 |
Atomic number | 54 | 17 |
Group name | Noble gas | Halogen |
Symbol | Xe | Cl |
Discovered (year) | 1898 | 1774 |