Question

what do you mean by Polyphonic Ion?​

Answer 1

do you mean Polyatomic Ion?

A group of atoms carrying a change is as polyatomic ion.

For example:- NH4+ - Ammonium Ion

CO3^2- - Carbonate ion.

Answer 2

When a group of atoms carries charge ...it is said to be as polyatomic ion.

❤️hope this helps u