Fluoride

:This article is about the chemical ion F-. For the addition of fluoride ions to water supplies, see Water fluoridation.

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A fluoride ion is the ionic form of fluorine. As a halogen, fluorine forms a monovalent ion (-1 charge). Fluoride forms a binary compound with another element or radical. Examples of common fluoride compounds include hydrofluoric acid (HF), and sodium fluoride (NaF).

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• sodium fluoride, NaF
• carbon tetrafluoride, CF₄
• oxygen difluoride, OF₂

See category for a bigger list.

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Ion: : This article is about the electrically charged particle. For other uses of this word, see ion (disambiguation)....

Fluorine: Fluorine (from L. fluere, meaning "to flow"), is the chemical element in the periodic table that has the symbol F and atomic number 9. It is a poisonous pale yellow-green, univalent gaseous halogen that is the most chemically reactive and electronegative of all the elements. In its pure form, it is ...

Halogen: :This article discusses the group of chemical elements in the periodic table:for the light bulb, see here....