Question

What are Polyatomic ions ???

Answer 1

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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.

Answer 2

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Polyatomic ions are the ions which are formed from groups of joined atoms are called polyatomic ions.

• Compound ions are also called polyatomic ions.

• For e.g. Ammonium ion NH4+, is a compound ion which is made up of two types of atoms joined together nitrogen and hydrogen