| Polyatomic Ion | Chemical Formula | Charges | % Correct |
|---|---|---|---|
| Hydroxide | OH | -1 | 100%
|
| Nitrate | NO3 | -1 | 98%
|
| Ammonium | NH4 | +1 | 98%
|
| Bromate | BrO3 | -1 | 98%
|
| Sulfite | SO3 | -2 | 98%
|
| Iodate | IO3 | -1 | 97%
|
| Nitrite | NO2 | -1 | 97%
|
| Carbonate | CO3 | -2 | 97%
|
| Zinc ion | Zn | +2 | 97%
|
| Permanganate | MnO4 | -1 | 95%
|
| Chlorate | ClO3 | -1 | 95%
|
| Acetate | C2H3O2 | -1 | 95%
|
| Cyanide | CN | -1 | 95%
|
| Dichromate | Cr2O7 | -2 | 95%
|
| Phosphite | PO3 | -3 | 95%
|
| Silver ion | Ag | +1 | 93%
|
| Chlorite | ClO2 | -1 | 93%
|
| Chromate | CrO4 | -2 | 93%
|
| Sulfate | SO4 | -2 | 93%
|
| Phosphate | PO4 | -3 | 93%
|