Po Polonium     Atomic number : 84 
    Relative atomic mass (12C = 12.0000) :  208.9824 (Po-209) 
    P H Y S I C A L     D A T A
Group 16 metal
Density / kg m-3 :  9320 () [293 K]
Melting point / K :  527 
Boiling point / K :  1235
    D I S C O V E R Y
Discovered in 1898 by Marie Curie at Paris, France.
    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. : traces in uranium ores
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 polonium 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