Bromine vs Krypton
| Property | Br Bromine | Kr Krypton |
|---|---|---|
| Atomic number | 35 | 36 |
| Symbol | Br | Kr |
| Name | Bromine | Krypton |
| Category | halogen | noble-gas |
| Standard Atomic Weight | 79.904 u | 83.798 u |
| Period | 4 | 4 |
| Group | 17 | 18 |
| Block | p | p |
| Phase at STP | liquid | gas |
| Electron configuration | [Ar]4s23d104p5 | [Ar]4s23d104p6 |
| Oxidation states | [-1, 1, 2, 3, 4, 5, 7] | [0, 1, 2] |
| Electronegativity (Pauling) | 2.96 | 3 |
| Electron affinity | 3.3635 eV | -1 eV |
| Density | 3102.8 kg/m³ | 3.733 kg/m³ |
| Melting point | -7.2 °C | -157.36 °C |
| Boiling point | 58.8 °C | -153.42 °C |
| Discovery year | 1825 | 1898 |