F | Z = 9 | ◊ ◊ ◊ ◊ ◊ |
Fluorine | |
From the Latin "fluor", meaning "a flowing" | ||||
(AM) Atomic Mass | 18.9984 amu | ♦ | ![]() |
-1 |
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-189.1  °C | ♦ | ![]() |
-219.6 °C |
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0.001696 g/cm3 | ♦ | ![]() |
Monoclinic |
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4 | ♦ | ![]() |
0.71  Å |
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Gas | ♦ | (C) Heat Capacity | 0.824 J/g °C |
Electronic-Config | 1s2  2s2  2p5  | ♦ | ![]() |
1680.96 kJ/mol |
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6.62 kJ/mol | ♦ | ![]() |
0.51 kJ/mol |
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1886 | ♦ | ![]() |
France |
(E°) Standard Potential | F2 (g) ⇔ 2 F- (2.870 V) | |||
Stable isotopes |  19F | |||
Discovered/Synthesized by | Ferdinand Frederic Henri Moissan | |||
Natural Source | Isolated by the electrolysis of a potassium fluoride/hydrogen fluoride mixture | |||
Common Uses | Glowing fluorite, toothpaste, nonstick cookware, CFC refrigerants | |||
Other Info | Most reactive element Exists in nature as the diatomic molecule F2 |
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