| Hg | Mercury | Atomic number : 80 Relative atomic mass (12C = 12.0000) : 200.59 |
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| P H Y S I C A L D A T A | |
| Group 12 transition metal Density / kg m-3 : 13 546 [293 K] |
Melting point / K : 234.28 Boiling point / K : 629.73 |
| D I S C O V E R Y | |
| Known to ancient civilizations. |
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| 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. : 0.05 Residence time / years : n.a. Classification : scavenged Oxidation state : II |
Seawater / p.p.m. : Atlantic surface : 4.9 × 10-7 Atlantic deep : 4.9 × 10-7 Pacific surface : 3.3 × 10-7 Pacific deep : 3.3 × 10-7 |
| B I O L O G I C A L D A T A | |
| Level in humans Blood / mg dm-3 : 0.0078 Bone / p.p.m. : 0.45 Liver / p.p.m. : 0.018 - 3.7 Muscle / p.p.m. : 0.02 - 0.7 |
Daily dietary intake : 0.004 - 0.02 mg Total mass of element in average (70 kg) person : 6 mg |
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A portrait of mercury is available on the Visual Elements site. Up to 200 individual items of information on this element are available in The Elements. |