Be Beryllium     Atomic number : 4 
    Relative atomic mass (12C = 12.0000) :  9.012182 
    P H Y S I C A L     D A T A
Group 2 alkaline earth metal
 
Density / kg m-3 :  1847.7 [293 K]
 
Melting point / K :  1551 ± 5 
 
Boiling point / K :  3243 (under pressure)
 
    D I S C O V E R Y
Beryllium was discovered in 1797 by Nicholas Louis Vauquelin at Paris, France.
 
    G E O L O G I C A L     D A T A
Abundances
 
Sun (relative to H = 1 × 1012) : 14
 
Earth's crust / p.p.m. : 2.6
 
Residence time / years : 4000
 
Classification : recycled
 
Oxidation state : II
 
  
 
Seawater / p.p.m. :
    Atlantic surface : 8.8 × 10-8
    Atlantic deep : 17.5 × 10-8
    Pacific surface : 3.5 × 10-8
    Pacific deep : 22 × 10-8
    B I O L O G I C A L     D A T A
Level in humans
 
Blood / mg dm-3 : < 1 × 10-5
 
Bone / p.p.m. : 0.003
 
Liver / p.p.m. : 0.0016
 
Muscle / p.p.m. : 0.00075
 
  
 
Daily dietary intake : 0.01 mg
 
Total mass of element
in average (70 kg) person :
0.036 mg

 

NetElements II  

A portrait of beryllium 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