what is polyatomic ion ? give two examples
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Polyatomic ions are ions which consist of more than one atom. For example, nitrate ion, NO3-, contains one nitrogen atom and three oxygen atoms. The atoms in a polyatomic ion are usually covalently bonded to one another, and therefore stay together as a single, charged unit.
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the ions which consists of more than one atom.the atoms ina polyatomic ion is covalently bonded together and stay together as a single charged unit. eg-NO3-
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