| General |
|---|
| Name | Bromine | | Symbol | Br | | Number | 35 | | Chemical series | Halogens | | Group / Period | 17 / 4 | | Block | p-block | | CAS registry number | 7726-95-6 |
| Physical properties |
|---|
| State | liquid | | Density | 3.119 g/cm3 | | Melting point | 265.8 K (-7.2 °C, 19 °F) | | Boiling point | 332.0 K (58.8 °C, 137.8 °F) | | Critical point | 588 K, 10.34 MPa |
| Atomic properties |
|---|
| Atomic Weight | 79.904 g/mol | | Crystal structure | orthorhombic | | Electronegativity | 2.96 | | Atomic radius | 115 pm | | Atomic radius (calculated) | 94 pm | | Electron configuration | [Ar] 4s2 3d10 4p5 | | Electrons per shell | 2, 8, 18, 7 | | Number of protons | 35 | | Number of neutrons | 45 |
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Krypton