| Hint | Answer | % Correct |
|---|---|---|
| NO3(-) | Nitrate | 100%
|
| NO2(-) | Nitrite | 100%
|
| PO4(3-) | Phosphate | 89%
|
| SO4(2-) | Sulfate | 89%
|
| SO3(2-) | Sulfite | 89%
|
| NH(4+) | Ammonium | 84%
|
| CrO4(2-) | Chromate | 84%
|
| ClO3(-) | Chlorate | 79%
|
| ClO2(-) | Chlorite | 79%
|
| CO3(2-) | Carbonate | 74%
|
| CN(-) | Cyanide | 74%
|
| OH(-) | Hydroxide | 74%
|
| ClO4(-) | Perchlorate | 74%
|
| MnO4(-) | Permanganate | 74%
|
| C2H3O2(-) or CH3COO(-) | Acetate | 68%
|
| ClO(-) or OCl(-) | Hypochlorite | 68%
|
| Cr2O7(2-) | Dichromate | 63%
|
| O2(2-) | Peroxide | 58%
|
| C2O4(2-) | Oxalate | 53%
|
| HCO3(-) | Hydrogen carbonate | 47%
|
| HPO4(2-) | Hydrogen phosphate | 47%
|
| HSO4(-) | Hydrogen sulfate | 47%
|
| H2PO4(-) | Dihydrogen phosphate | 42%
|
| NCS(-) or SCN(-) | Thiocyanate | 42%
|
| S2O3(2-) | Thiosulfate | 37%
|
| Hg2(2+) | Mercury(I) | 21%
|