| Y | Yttrium | Atomic number : 39 Relative atomic mass (12C = 12.0000) : 88.90585 |
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| 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. |
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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. : 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 |
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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. |