| Bh | Bohrium | Atomic number : 107 Relative atomic mass (12C = 12.0000) : 262.12 (Bh-262) |
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| P H Y S I C A L D A T A | |
| Group 7 transition metal Density / kg m-3 : 37 000 (est.) |
Melting point / K : n.a. Boiling point / K : n.a. |
| D I S C O V E R Y | |
| Bohrium was first made in 1981 by Peter Armbruster, Gottfried Münzenberg and their co-workers at Gesellschaft für Schwerionenforschung in Darmstadt, Germany. |
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| G E O L O G I C A L D A T A | |
| Abundances Sun (relative to H = 1 × 1012) : n.a. Earth's crust / p.p.m. : nil |
Seawater / p.p.m. : nil |
| B I O L O G I C A L D A T A | |
| Level in humans nil |
Daily dietary intake : nil Total mass of element in average (70 kg) person : nil |
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A portrait of bohrium is available on the Visual Elements site. Up to 200 individual items of information on this element are available in The Elements. |