Define a polyatomic ion. Give one example of it.
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the ion which contains more than one atoms .
like OH negative
like OH negative
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A polyatomic ion, also known as a molecular ion, is a charged chemical species (ion) composed of two or more atoms covalently bonded or of a metal complex that can be considered to be acting as a single unit. The prefix poly- means "many," in Greek, but evenions of two atoms are commonly referred to as polyatomic.
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