| Hint | Answer | % Correct |
|---|---|---|
| NO₃⁻¹ | Nitrate | 100%
|
| NH₄⁺¹ | Ammonium | 50%
|
| HCO₃⁻¹ | Bicarbonate | 50%
|
| CO₃⁻² | Carbonate | 50%
|
| CrO₄⁻² | Chromate | 50%
|
| CN⁻¹ | Cyanide | 50%
|
| OH⁻¹ | Hydroxide | 50%
|
| NO₂⁻¹ | Nitrite | 50%
|
| MnO₄⁻¹ | Permanganate | 50%
|
| O₂⁻² | Peroxide | 50%
|
| PO₄⁻³ | Phosphate | 50%
|
| SO₄⁻² | Sulfate | 50%
|
| SO₃⁻² | Sulfite | 50%
|
| C₂H₃O₂⁻¹ | Acetate | 0%
|
| Cr₂O₇⁻² | Dichromate | 0%
|
| ClO₄⁻¹ | perchlorate | 0%
|