| Hint | Answer | % Correct |
|---|---|---|
| SO₄²⁻ | Sulfate | 93%
|
| NO₃⁻ | Nitrate | 91%
|
| SO₃²⁻ | Sulfite | 91%
|
| NH₄⁺ | Ammonium | 89%
|
| ClO₃⁻ | Chlorate | 89%
|
| PO₄³⁻ | Phosphate | 87%
|
| CN⁻ | Cyanide | 85%
|
| NO₂⁻ | Nitrite | 83%
|
| PO₃³⁻ | Phosphite | 83%
|
| CO₃²⁻ | Carbonate | 80%
|
| OH⁻ | Hydroxide | 80%
|
| ClO₂⁻ | Chlorite | 78%
|
| CrO₄²⁻ | Chromate | 74%
|
| MnO₄⁻ | Permanganate | 72%
|
| HSO₃⁻ | Hydrogen Sulfite | 70%
|
| Cr₂O₇²⁻ | Dichromate | 67%
|
| H₂PO₄⁻ | Dihydrogen Phosphate | 67%
|
| ClO⁻ | Hypochlorite | 67%
|
| HCO₃⁻ | Hydrogen Carbonate | 65%
|
| ClO₄⁻ | Perchlorate | 65%
|
| C₂H₃O₂⁻ | Acetate | 63%
|
| HPO₄²⁻ | Hydrogen Phosphate | 63%
|
| HSO₄⁻ | Hydrogen Sulfate | 63%
|
| SiO₃²⁻ | Silicate | 52%
|
| C₂O₄²⁻ | Oxalate | 48%
|