Bh Bohrium     Atomic number : 107 
    Relative atomic mass (12C = 12.0000) :  262.12 (Bh-262) 
    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.
    G E O L O G I C A L     D A T A
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
Daily dietary intake : nil
Total mass of element
in average (70 kg) person :


NetElements II  

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.

Text copyright John Emsley 1999.   HTML and page layout copyright Simon Hall 1999.
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NetElements II last modified October 27th, 1999