Y Yttrium     Atomic number : 39 
    Relative atomic mass (12C = 12.0000) :  88.90585 
    P H Y S I C A L     D A T A
Group 3 transition metal
 
Density / kg m-3 :  4469 [293 K]
 
Melting point / K :  1795 
 
Boiling point / K :  3611
 
    D I S C O V E R Y
Discovered in 1794 by J. Gadolin at Åbo, Finland.
 
    G E O L O G I C A L     D A T A
Abundances
 
Sun (relative to H = 1 × 1012) : 125
 
Earth's crust / p.p.m. : 30
 
Residence time / years : n.a.
 
Oxidation state : III
 
  
 
Seawater / p.p.m. : 9 × 10-6
    B I O L O G I C A L     D A T A
Level in humans
 
Blood / mg dm-3 : 0.0047
 
Bone / p.p.m. : 0.07
 
Liver / p.p.m. : < 0.01
 
Muscle / p.p.m. : 0.02
 
  
 
Daily dietary intake : 0.016 mg
 
Total mass of element
in average (70 kg) person :
0.6 mg

 

NetElements II  

A portrait of yttrium 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