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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.

Acetate   C2H3O2 -1  
Bicarbonate   HCO3 -1  
Bisulfite   HSO3 -1  
Bisulfate   HSO4 -1  
Bromide   Br -1  
Chlorate   ClO3 -1  
Chloride   Cl -1  
Fluoride   F -1  
Hydroxide   OH -1  
Hypochlorite   ClO -1  
Iodide   I -1  
Nitrate   NO3 -1  
Permanganate   MnO4 -1  
Chlorite   ClO2 -1  
Perchlorate   ClO4 -1  
Nitrite   NO2 -1  
Thiocyanate   SCN -1  
Carbonate   CO3 -2  
Chromate   CrO4 -2  
Dichromate   Cr2O7 -2  
Oxide   O -2  
Peroxide   O2 -2  
Sulfide   S -2  
Sulfite   SO3 -2  
Sulfate   SO4 -2  
Oxalate   C2O4 -2  
Thiosulfate   S2O3 -2  
Phosphate   PO4 -3  
Carbon   C +4 -4  
Silicon   Si +4 -4  
Antimony   Sb +3 +5 -3  
Arsenic   As +3 +5 -3  
Nitrogen   N +3 +5 -3  
Phosphorus   P +3 +5 -3  
Sulfur   S +4 +6 -2  


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Created by: qperlstein