Bromine vs Polonium
| Property | Br Bromine | Po Polonium |
|---|---|---|
| Atomic number | 35 | 84 |
| Symbol | Br | Po |
| Name | Bromine | Polonium |
| Category | halogen | metalloid |
| Standard Atomic Weight | 79.904 u | 209 u |
| Period | 4 | 6 |
| Group | 17 | 16 |
| Block | p | p |
| Phase at STP | liquid | solid |
| Electron configuration | [Ar]4s23d104p5 | [Xe]6s24f145d106p4 |
| Oxidation states | [-1, 1, 2, 3, 4, 5, 7] | [-2, 2, 4, 5, 6] |
| Electronegativity (Pauling) | 2.96 | 2 |
| Electron affinity | 3.3635 eV | 1.9 eV |
| Density | 3102.8 kg/m³ | 9320 kg/m³ |
| Melting point | -7.2 °C | 253.85 °C |
| Boiling point | 58.8 °C | 961.85 °C |
| Discovery year | 1825 | 1898 |