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Fluorine is a Group 17 Halogen element. Its Atomic number is 9 and its symbol is F. Fluorine has the most tendencies to attract other elements. It is a pale yellow gas, and it isn’t “found freely” in nature. The most common fluorine minerals are cryolite, fluorspar, and fluorapatite. Fluorine is also an abundant element in the Earth's crust. Fluorine was discovered by Joseph Henri Moissan in 1886. The name came from the Latin word fluo(flow).
