Question

what is a polyatomic ion?​

Answer 1

Answer:

A polyatomic ion, also known as a molecular ion, is a charged chemical species 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 even ions of two atoms are commonly referred to as polyatomic.

Explanation:

Answer 2

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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 ionare usually covalently bonded to one another, and therefore stay together as a single, charged unit.