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| Bohrium | Bohrium | Bohrij | Bohrio | Bohrium | ||||||||||||||||||||
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Bh Bohrium |
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- Bohrium was discovered by Peter Armbruster, Gottfried Münzenber and their co-workers at the Heavy Ion Research Laboratory (Gesellschaft für Schwerionenforschung, GSI) in Darmstadt, Germany in 1981. Named in honour of Niels Bohr, the Danish physicist. It is synthetic radioactive metal.
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TRANSITION ELEMENT: MANGANESE GROUP | |
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| Relative atomic mass: | [264] | Electronic configuration: | [Rn] 5f14 6d5 7s2 |
| Formal oxidation number: | Electronegativities: | - | |
| Thermal conductivity: | - W m-1 K-1 | Electrical resistivity (20 °C): | - μΩcm |
| Atomic radius: | - pm | Standard state (20 °C): | solid |
| Density (g dm-3): | - | Molar volume (cm3 mol-1): | - |
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THERMAL PROPERTIES | |
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| Melting point: | - °C | Heat of fusion: | - kJ mol-1 |
| Boiling point: | - °C | Heat of vaporization: | - kJ mol-1 |
| Critical temperature: | - °C | Heat of atomization: | - kJ mol-1 |
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IONIZATION ENERGIES AND ABUNDANCE | |
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| 1st ionization energy: | - kJ mol-1 | Abundance of element (air): | - ppm |
| 2nd ionization energy: | - kJ mol-1 | Abundance of element (Earth's crust): | - ppm |
| 3rd ionization energy: | - kJ mol-1 | Abundance of element (oceans): | - ppm |
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ISOTOPES | |
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Isotopes | Relative atomic mass | Abundance (%) |
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MINERALS AND USES | |
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- Bohrium was produced by bombarding bismuth-204 with chromium-54.
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REDUCTION POTENTIALS | |
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Balanced half-reaction | Eo / V | Annotation |
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