Question

what is a polyatomic ions give two example

Answer 1

Polyatomic ions are ions which consist of more than one atom. Forexample, nitrate ion, NO3-, contains one nitrogen atom and three oxygen atoms. 

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Answer 2

Hii your answer is here

Polyatomic ions are ions which consist of more than one atom. For example, nitrate ion, NO3-, contains one nitrogenatom 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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