| Ni | Nickel | Atomic number : 28 Relative atomic mass (12C = 12.0000) : 58.6934 |
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| P H Y S I C A L D A T A | |
| Group 10 transition metal Density / kg m-3 : 8902 [298 K]; 7780 [liquid at m.p.] |
Melting point / K : 1726 Boiling point / K : 3005 |
| D I S C O V E R Y | |
| Discovered in 1751 by A.F. Cronstedt at Stockholm, Sweden. |
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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) : 1.91 × 106 Earth's crust / p.p.m. : c. 80 Residence time / years : 80 000 Classification : recycled Oxidation state : II |
Seawater / p.p.m. : Atlantic surface : 1 × 10-4 Atlantic deep : 4.0 × 10-6 Pacific surface : 1 × 10-4 Pacific deep : 5.7 × 10-4 |
| B I O L O G I C A L D A T A | |
| Level in humans Blood / mg dm-3 : 0.01 - 0.05 Bone / p.p.m. : < 0.7 Liver / p.p.m. : 0.02 - 1.8 Muscle / p.p.m. : 1 - 2 |
Daily dietary intake : 0.3 - 0.5 mg Total mass of element in average (70 kg) person : 15 mg |
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A portrait of nickel is available on the Visual Elements site. Up to 200 individual items of information on this element are available in The Elements. |