| Hint | Answer | % Correct |
|---|---|---|
| NO3 | Nitrate | 90%
|
| OH | Hydroxide | 87%
|
| NO2 | Nitrite | 85%
|
| NH4 | Ammonium | 84%
|
| SO4 | Sulfate | 83%
|
| ClO3 | Chlorate | 82%
|
| PO4 | Phosphate | 82%
|
| CO3 | Carbonate | 80%
|
| SO3 | Sulfite | 78%
|
| ClO2 | Chlorite | 77%
|
| CN | Cyanide | 74%
|
| CrO4 | Chromate | 71%
|
| CH3COO | Acetate | 63%
|
| HCO3 | Hydrogen Carbonate | 60%
|
| ClO4 | Perchlorate | 59%
|
| MnO4 | Permanganate | 56%
|
| Cr2O7 | Dichromate | 55%
|
| ClO | Hypochlorite | 53%
|
| O2 | Peroxide | 40%
|
| H3O | Hydronium | 35%
|
| C2O4 | Oxalate | 30%
|
| SCN | Thiocyanate | 26%
|
| S2O3 | Thiosulfate | 21%
|