What is a polyatomic ion? What is an example?

1 Answer
Jan 5, 2018

NO_3^-NO3, SO_4^(2-)SO24, HPO_4^(2-)HPO24, Cr_2O_7^(2-)....

Explanation:

...O_2^(2-), ClO_4^(-), ClO_3^-, MnO_4^(-), I_3^-....all of these species are polyatomic ions that can form salts with counterions.....