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fluoride
(redirected from Fluorides)

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fluoride

Negative ion formed when hydrogen fluoride dissolves in water; compound formed between fluorine and another element.

The ending ‘ide’ in halides (such as fluorides, chlorides, and iodides) indicates that the halogen acts as the more electronegative partner (see electronegativity). As fluorine is the most electronegative element of all, this would apply to all of its compounds, but fluorinated hydrocarbons are not normally referred to as fluorides.

In parts of India, the natural level of fluoride in water is 10 parts per million. This causes fluorosis, or chronic fluoride poisoning, mottling teeth and deforming bones.



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In addition, the composition of a melt cleaning flux typically includes only simple fluorides as compared to both the simple and double fluorides present in drossing fluxes.
Development, evalation and application of solid fluxes by Gallo, Rafael / Modern Casting
The notion that systemic fluorides are needed in nonfluoridated areas is an outdated one that should be abandoned altogether," says Canada's leading fluoride authority, Hardy Limeback, head of the Department of Preventive Dentistry at the University of Toronto and past president of the Canadian Association for Dental Research.
DEBUNKING FLUORIDE : Cavity Fighter or Toxic Intruder? by Kopf, Carol S. / Mothering
There are actually two vastly different forms of fluorides involved.
LETTERS FROM OUR READERS by E
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