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| Atomic Number | 35 |
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| Atomic Symbol | Br |
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| Atomic Weight | 79.904 amu |
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| Group | Halogen, 17 |
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| Form | Liquid |
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| Density @ STP | 3.1028 g/cm3 |
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| Melting Point | -7.2 °C (19.04 °F, 265.95 °K) |
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| Boiling Point | 58.8 °C (137.84 °F, 331.95 °K) |
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| Heat of Fusion | 10.57 kJ/mol |
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| Heat of Vaporization | 29.96 kJ/mol |
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| First Ionization Potential | 11.81381 eV |
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| Electronegativity (on Pauling scale | 2.96 |
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| Specific Heat Capacity | 0.226 J/g K |
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| Ground State Electron Configuration | 4p5 |
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| Oxidation State(s) | +1, +5, -1 |
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| Stable Isotopes and Natural Abundance on Earth | 79Br, 50.69%; 81Br, 49.31% |
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| Selected Radioisotopes | 75Br, 77Br, 82Br |
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| Atomic Radius | 94 pm |
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| Crystal Structure | Orthorhombic |
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| Discovered by | Balard, 1826
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