Br
Bromine
Element 35 · Halogen · Period 4, Group 17
Liquid · Discovered 1826
Atomic Properties
| Atomic Number | 35 |
| Atomic Mass | 79.9u |
| Electron Configuration | [Ar]4s2 3d10 4p5 |
| Electronegativity | 2.96Pauling |
| Atomic Radius | 183pm |
| Ionization Energy | 11.814eV |
| Electron Affinity | 3.365eV |
| Oxidation States | +5, +1, -1 |
Physical Properties
| Standard State | Liquid |
| Melting Point | 265.95K |
| Boiling Point | 331.95K |
| Density | 3.11g/cm³ |
| Group Block | Halogen |
| Year Discovered | 1826 |