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Atomic Symbol - F
Atomic weight - 18.9984032
Atomic number - 9
Electron configuration - 2-7
Oxidation states - -1
State of matter - gas
Non-metal
Discovered in 1886 by Henri Moissan
Boils at -188 °C, freezes at -220 °C
Notes:
This is the most active member in the halogen family, and produces the most stable compounds. Fluorine is very poisonous because of its great activity. It is so active that it is not found free in nature, but in the combined state, and is very abundant. It occurs as either the mineral fluorine, or the mineral cryolite. Freon, the refridgerant, contains fluorine. Cryolite or sodium aluminum floride, is an important flux in the electrolytic production of aluminum metal.Compounds of fluorine and carbon are important because of their heat and fire resistance. Fluorine is found in tap water and toothpaste, which have benifical effects on the teeth. Other fluorine compounds are used as insecticides and wood preservatives.
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