Fluorine vs Bromine
| Property | F Fluorine | Br Bromine |
|---|---|---|
| Atomic number | 9 | 35 |
| Symbol | F | Br |
| Name | Fluorine | Bromine |
| Category | halogen | halogen |
| Standard Atomic Weight | 18.998403 u | 79.904 u |
| Period | 2 | 4 |
| Group | 17 | 17 |
| Block | p | p |
| Phase at STP | gas | liquid |
| Electron configuration | [He]2s22p5 | [Ar]4s23d104p5 |
| Oxidation states | -1 | [-1, 1, 2, 3, 4, 5, 7] |
| Electronegativity (Pauling) | 3.98 | 2.96 |
| Electron affinity | 3.4011 eV | 3.3635 eV |
| Density | 1.696 kg/m³ | 3102.8 kg/m³ |
| Melting point | -219.62 °C | -7.2 °C |
| Boiling point | -188.12 °C | 58.8 °C |
| Discovery year | 1886 | 1825 |