| Hint | Answer | % Correct |
|---|---|---|
| OH- | Hydroxide (-1) | 80%
|
| NH₄ | Ammonium (+1) | 60%
|
| CO₃²⁻ | Carbonate (-2) | 60%
|
| ClO₃- | Chlorate (-1) | 60%
|
| Fe²⁺ | Ferrous Ion (+2) | 60%
|
| NO₃- | Nitrate (-1) | 60%
|
| NO₂- | Nitrite (-1) | 60%
|
| SO₄²⁻ | Sulfate (-2) | 60%
|
| C₂H₃O₂- | Acetate (-1) | 40%
|
| HSO₄- | Bisulfate (-1) | 40%
|
| CrO₄²⁻ | Chromate (-2) | 40%
|
| Cr₂O₇²⁻ | Dichromate (-2) | 40%
|
| HPO₄²⁻ | Hydrogen Phosphate (-2) | 40%
|
| ClO- | Hypochlorite (-1) | 40%
|
| Hg₂ | Mercurous Ion (+2) | 40%
|
| ClO₄- | Perchlorate (-1) | 40%
|
| PO₄³⁻ | Phosphate (-3) | 40%
|
| S²⁻ | Sulfide (-2) | 40%
|
| SO₃²⁻ | Sulfite (-2) | 40%
|
| N₃- | Azide (-1) | 20%
|
| HS- | Bisulfide (-1) | 20%
|
| ClO₂- | Chlorite (-1) | 20%
|
| CN- | Cyanide (-1) | 20%
|
| Fe³⁺ | Ferric Ion (+3) | 20%
|
| MnO₄- | Permanganate (-1) | 20%
|
| O₂²⁻ | Peroxide (-2) | 20%
|
| S₂O₃²⁻ | Thiosulfate (-2) | 20%
|
| HSO₃- | Bisulfite (-1) | 0%
|
| H₂PO₄- | Dihydrogen Phosphate (-1) | 0%
|
| HCO₃- | Hydrogen Carbonate (-1) | 0%
|