| Hint | Answer | % Correct |
|---|---|---|
| NH4+ | ammonium | 100%
|
| CO3 2- | carbonate | 100%
|
| ClO3- | chlorate | 100%
|
| ClO2- | chlorite | 100%
|
| OH- | hydroxide | 100%
|
| NO2- | nitrite | 100%
|
| C2H3O2 - | acetate | 80%
|
| BrO3- | bromate | 80%
|
| CrO4 2- | chromate | 80%
|
| CN- | cyanide | 80%
|
| PO4 3- | phosphate | 80%
|
| SO4 2- | sulfate | 80%
|
| SO3 2- | sulfite | 80%
|
| HCO3- | hydrogen carbonate | 60%
|
| HPO4 2- | hydrogen phosphate | 60%
|
| IO3- | iodate | 60%
|
| O2 2- | peroxide | 60%
|
| AsO4 3- | arsenate | 40%
|
| ClO- | hypochlorite | 40%
|
| ClO4- | perchlorate | 40%
|
| IO4- | periodate | 40%
|
| MnO4- | permanganate | 40%
|
| Cr2O7 2- | dichromate | 20%
|
| S2O3 2- | thiosulfate | 0%
|