Au Gold     Atomic number : 79 
    Relative atomic mass (12C = 12.0000) :  196.96654 
    P H Y S I C A L     D A T A
Group 11 transition metal
 
Density / kg m-3 :  19 320 [293 K]; 17 280 [liquid at m.p.]
 
Melting point / K :  1337.58 
 
Boiling point / K :  3080
 
    D I S C O V E R Y
Known to ancient civilizations.
 
    G E O L O G I C A L     D A T A
Abundances
 
Sun (relative to H = 1 × 1012) : 5.6
 
Earth's crust / p.p.m. : 0.0011
 
Residence time / years : n.a.
 
Classification : n.a.
 
Oxidation state : I
 
  
 
Seawater / p.p.m. : 1 × 10-5
    B I O L O G I C A L     D A T A
Level in humans
 
Blood / mg dm-3 : (0.1 - 4.2) × 10-4
 
Bone / p.p.m. : 0.016
 
Liver / p.p.m. : 0.0004
 
Muscle / p.p.m. : n.a.
 
  
 
Daily dietary intake : n.a., but very low
 
Total mass of element
in average (70 kg) person :
0.2 mg

 

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A portrait of gold is available on the Visual Elements site. Up to 200 individual items of information on this element are available in The Elements.


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NetElements II last modified October 27th, 1999