A portrait of fluorine is available on the Visual Elements site. Up to 200 individual items of information on this element are available in The Elements.
| F | Fluorine |
Atomic number : 9
Relative atomic mass (12C = 12.0000) : 18.998 4032 |
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| P H Y S I C A L D A T A | |
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Group 17 non-metal Density / kg m-3 : n.a. [s.]; 1516 [liq., 85 K]; 1.696 [gas, 273 K] |
Melting point / K : 53.53 Boiling point / K : 85.01 |
| D I S C O V E R Y | |
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First isolated in 1886 by H. Moissan at Paris, France. |
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| G E O L O G I C A L D A T A | |
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Abundances Sun (relative to H = 1 × 1012) : 3.63 × 10-4 Earth's crust / p.p.m. : 950 Atmosphere / p.p.m. (volume) : n.a. Residence time / years : 400 000 Classification : accumulating Oxidation state : -I |
Seawater / p.p.m. : 1.3 Atlantic surface : 1.0 × 10-4 Atlantic deep : 0.96 × 10-4 Pacific surface : 1.0 × 10-4 Pacific deep : 0.4 × 10-4 |
| B I O L O G I C A L D A T A | |
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Level in humans Blood / mg dm-3 : 0.5 Bone / p.p.m. : 2000 - 12 000 Liver / p.p.m. : 0.22 - 7 Muscle / p.p.m. : 0.05 |
Daily dietary intake : 0.3 - 0.5 mg Total mass of element in average (70 kg) person : 2.6 g |
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A portrait of fluorine is available on the Visual Elements site. Up to 200 individual items of information on this element are available in The Elements. |