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Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.

Ammonium   NH4+  
Acetate   CH3COO-  
Hydroxide   OH-  
Nitrate   NO3-  
Nitrite   NO2-  
Bicarbonate   HCO3-  
Permanganate   MnO4-  
Chlorate   ClO3-  
Chlorite   ClO2-  
Hypochlorite   ClO-  
Sulfate   SO4 2-  
Sulfite   SO3 2-  
Carbonate   CO3 2-  
Chromate   CrO4 2-  
Dichromate   Cr2O7 2-  
Phosphate   PO4 3-  


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Created by: McLeanE