Question

What are polatomics ions ?
Give two examples

Answer 1

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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Answer 2

Explanation:

The ions which has more than three negative or positive charges.

EX carbon,silicon