| Hint | Answer | % Correct |
|---|---|---|
| dihydrogen phosphate | H2PO4-1 | 78%
|
| hypochlorite | ClO-1 | 70%
|
| nitrate | NO3-1 | 70%
|
| perchlorate | ClO4-1 | 65%
|
| carbonate | CO3-2 | 65%
|
| nitrite | NO2-1 | 65%
|
| phosphate | PO4-3 | 65%
|
| ammonium | NH4+1 | 61%
|
| chlorate | ClO3-1 | 57%
|
| cyanide | CN-1 | 57%
|
| chromate | CrO4-2 | 57%
|
| permanganate | MnO4-1 | 57%
|
| hydroxide | OH-1 | 57%
|
| phosphite | PO3-3 | 57%
|
| sulfate | SO4-2 | 57%
|
| acetate | C2H3O2-1 | 52%
|
| dichromate | Cr2O7-2 | 52%
|
| bromate | BrO3-1 | 48%
|
| chlorite | ClO2-1 | 48%
|
| iodate | IO3-1 | 48%
|
| peroxide | O2-2 | 48%
|
| sulfite | SO3-2 | 48%
|
| perbromate | BrO4-1 | 43%
|
| oxalate | C2O4-2 | 43%
|
| Copper(I) | Cu+1 | 43%
|
| Copper(II) | Cu+2 | 43%
|
| bisulfate | HSO4-1 | 43%
|
| silicate | SiO3-2 | 43%
|
| Zinc | Zn+2 | 43%
|
| Silver | Ag+1 | 39%
|
| arsenate | AsO4-3 | 39%
|
| borate | BO3-3 | 39%
|
| Cadmium | Cd+2 | 39%
|
| bicarbonate | HCO3-1 | 39%
|
| Lead(II) | Pb+2 | 35%
|
| Lead(IV) | Pb+4 | 35%
|
| thiocyanate | SCN-1 | 35%
|
| selenate | SeO4-2 | 35%
|
| thiosulfate | S2O3-2 | 30%
|