Polyatomic ions 2 A practice quiz to help you study and remember all of the polyatomic ions toripinkc published on January 08, 201219 responses 0 Questions in vertical order CO3-2 Type answer (9 letters) NO3- Type answer (7 letters) SO4-2 Type answer (7 letters) ClO3- Type answer (8 letters) CN- Type answer (7 letters) IO3- Type answer (6 letters) HCO3- Type answer (18 letters) C2O4-2 Type answer (7 letters) ClO- Type answer (12 letters) NH4+ Type answer (8 letters) MnO4- Type answer (12 letters) ClO4- Type answer (11 letters) OH- Type answer (9 letters) BrO3- Type answer (7 letters) CH3COO- Type answer (7 letters) PO4-3 Type answer (9 letters)