Attribute | Bromine × | Radon × |
---|---|---|
Atomic mass (u) | 79.9 | 222.01758 |
Standard state | Liquid | Gas |
Oxidation states |
|
|
Electron configuration | [Ar]4s²3d¹⁰4p⁵ | [Xe]6s²4f¹⁴5d¹⁰6p⁶ |
Atomic radius (van der waals) (pm) | 183 | 220 |
Electronegativity (pauling scale) | 2.96 | - |
Electron affinity (eV) | 3.365 | - |
Ionization energy (eV) | 11.814 | 10.745 |
Boiling point (K) | 331.95 | 211.45 |
Melting point (K) | 265.95 | 202 |
Density (g/cm³) | 3.11 | 0.00973 |
Atomic number | 35 | 86 |
Group name | Halogen | Noble gas |
1↑Symbol | Br | Rn |
Discovered (year) | 1826 | 1900 |