What are polyatomic ions? Give examples?
Science
Class 9
1923
Emily
A polyatomic ion is a group of atoms carrying a charge (positive or negative).
For example,
Nitrate : NO3-1,
Chlorate : ClO₃⁻1,
Hydroxide : OH⁻1,
Acetate : C2H3O2-1,
Carbonate : CO₃⁻2,
Sulfate : SO₄⁻2,
Phosphate : PO₄⁻3,
Ammonium : NH₄⁺1,
Cynaide : CN-1