| Te | Tellurium | Atomic number : 52 Relative atomic mass (12C = 12.0000) : 127.60 |
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| P H Y S I C A L D A T A | |
| Group 16 non-metal Density / kg m-3 : 6240 [293 K]; 5797 [liquid at m.p.] |
Melting point / K : 722.7 Boiling point / K : 1263.0 |
| D I S C O V E R Y | |
| Tellurium was discovered in 1783 by Baron Franz Joseph Müller von Reichenstein at Sibiu, Romania. |
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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) : n.a. Earth's crust / p.p.m. : c. 0.005 Residence time / years : n.a. Classification : scaveneged Oxidation state : IV and VI; mainly VI |
Seawater / p.p.m. : Atlantic surface : 1.6 × 10-7 Atlantic deep : 0.7 × 10-7 Pacific surface : 1.9 × 10-7 Pacific deep : 1.7 × 10-7 |
| B I O L O G I C A L D A T A | |
| Level in humans Blood / mg dm-3 : 0.0055 Bone / p.p.m. : n.a. Liver / p.p.m. : 0.014 Muscle / p.p.m. : 0.017 |
Daily dietary intake : c. 0.6 mg Total mass of element in average (70 kg) person : c. 0.7 mg |
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A portrait of tellurium is available on the Visual Elements site. Up to 200 individual items of information on this element are available in The Elements. |