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Common Polyatomic Ions

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Question
Answer
Ammonium   NH4 +  
🗑
Hydroxide   OH -  
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Hydronium   H3O +  
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Cyanide   CN -  
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Thiocyanate   SCN -  
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Permaganate   MnO4 -  
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Acetate   C2H3O2 -  
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Formate   CHO2 -  
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Oxalate   C2O4 2-  
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Chromate   CrO4 2-  
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Dichromate   Cr2O7 2-  
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Carbonate   CO3 2-  
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Bicarbonate   HCO3 -  
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Silicate   SiO3 2-  
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Sulfate   SO4 2-  
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Thiosulfate   S2O3 2-  
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Bisulfate   HSO4 -  
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Sulfite   SO3 2-  
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Bisulfite   HSO3 -  
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Nitrate   NO3 -  
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Nitrite   NO2 -  
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Phosphate   PO4 3-  
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Monohydrogen Phosphate   HPO4 2-  
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Dihydrogen Phosphate   H2PO4 -  
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Phosphite   PO3 3-  
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Arsenate   AsO4 3-  
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Asenite   AsO3 3-  
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Perchlorate   ClO4 -  
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Chlorate   ClO3 -  
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Chlorite   ClO2 -  
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Hypochlorite   ClO -  
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Perbromate   BrO4 -  
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Bromate   BrO3 -  
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Bromite   BrO2 -  
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Hypobromite   BrO -  
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Periodate   IO4 -  
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Iodate   IO3 -  
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Iodite   IO2 -  
🗑
Hypoiodite   IO -  
🗑


   

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