What Are Polyatomic Ions Class 9th?
What Are Polyatomic Ions Class 9th? Polyatomic ions: Those 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. What are polyatomic