High Quality Content by WIKIPEDIA articles! A halide is a binary compound, of which one part is a halogen atom and the other part is an element or radical that is less electronegative than the halogen, to make a fluoride, chloride, bromide, iodide, or astatide compound. Many salts are halides. All Group 1 metals form halides with the halogens and they are white solids. A halide ion is a halogen atom bearing a negative charge. The halide anions are fluoride (F?), chloride (Cl?), bromide (Br?), iodide (I?) and astatide (At?). Such ions are present in all ionic halide salts.

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