TOTO,
we're not in Kansas anymore...

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fluorine6i emily tufluorine (f) is the ninth element of the periodic table, and first discoverd by french chemist henri moissanwhat is flourine?flouri

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Tu, Chen-Wei(Emily)_Unit 3 element ... | Presentation by emily.tu

TOTO,we're not in Kansas anymore...

TOTO,
we're not in Kansas anymore...