Periodic Table of the Elements: Fluorine

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Periodic Table of the Elements: Fluorine
Atomic Number:9
Atomic Symbol:F
 Fluorinefluorine
, gaseous chemical element; symbol F; at. no. 9; at. wt. 18.9984; m.p. −219.6°C;; b.p. −188.14°C;; density 1.696 grams per liter at STP; valence −1. Fluorine is a yellowish, poisonous, highly corrosive gas.
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Atomic Weight:18.9984
Electron Configuration:2 · 7
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