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http://www.last.fm/music/Ozzy+Osbourne/_/Crazy+Train Table: basic information about and classifications of fluorine. Name: Fluorine Symbol: F Atomic number: 9 Atomic weight: 18.9984032 (5) K Standard state: gas at 298 Group in periodic table: 17 Group name: Halogen Period in periodic table: 2 Block in periodic table: pblock Colour: pale yellow Classification: Non-metallic CAS Registry ID: 7782-41-4 About me fluorine is a Group 17 element. Fluorine is the most electronegative and reactive of all elements. It is a pale yellow, corrosive gas, which reacts with practically all organic and inorganic substances. Finely divided metals, glass, ceramics, carbon, and even water burn in fluorine with a bright flame. It is not uncommon to see fluorine spelled incorrectly as flourine.In 1670 a recipe containing Bohemian emerald (now known as calcium fluoride, CaF2) was used to etch glass. It seems that George Gore made a little fluorine through an electrolytic process but his apparatus exploded when the fluorine produced reacted with hydrogen from the other electrode. The element finally was isolated in 1886 by Ferdinand FrederHenri Moisson who used an apparatus constructed from platinum. His reward was the Nobel Prize for chemistry in 1906. Comment my picture comment please You are so pretty fluorine. <3 Marry me fluorine. I am in love with a fluorine. I love you fluorine. Will you be me boyfriend fluorine. My top friends 1 2 3 4 Who I would like to meet my secret admirer.