What is a polyatomic ion? What is an example?

1 Answer
Jan 5, 2018

Answer:

#NO_3^-#, #SO_4^(2-)#, #HPO_4^(2-)#, #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.....