Question

what are polyatomic ions give example​

Answer 1

Answer:

A polyatomic ion, also known as a molecular ion, is a charged chemical species(ion) composed of two or more atoms covalently bonded or of a metal complex that can be considered to be acting as a single unit.

Answer 2

Answer:

A polyatomic ion is an ion composed of more than one atom. The ammonium ion consists of one nitrogen atom and four hydrogen atoms. Together, they comprise a single ion with a 1+ charge and a formula of NH+4. The carbonate ion consists of one carbon atom and three oxygen atoms and carries an overall charge of 2−.

Examples:

1. SO3
2. MnO4
3. KMnO4
4. KMnO4 CO3
5. Li2CO3
6. (NH4)2CO3
7. HCO3