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This is a list of polyatomic ions. Note: a (.) is put before subscripts.

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

Question
Answer
hydrogen ion   H+  
🗑
potassium ion   K+  
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sodium ion   Na+  
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Silver ion   Ag+  
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Mercury   Hg+1 Hg+2  
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Copper   Cu+1 Cu+2  
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Ammonium   NH.4+  
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Gold   Au+1 Au+3  
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Barium   Ba+2  
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Calcium   Ca+2  
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Cobalt   Co+2  
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Magnesium   Mg+2  
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Lead   Pb+2 Pb+4  
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Zinc   Zn+2  
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Iron   Fe+2 Fe+3  
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Manganese   Mn+2 Mn+4  
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Tin   Sn+2 Sn+4  
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Aluminum   Al+3  
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Arsenic   As+3 As+5  
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Chromium   Cr+3  
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Phosphorus (this has more than one!)   P+3 P+5 P-3  
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Antimony   Sb+3 Sb+5  
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Bismuth   Bi+3 Bi+5  
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Carbon   C+4 C-4  
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Silicon   Si+4  
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Platinum   Pt+4  
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Sulfur   S+4  
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Fluorine   F-  
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Chlorine   Cl-  
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Bromine   Br-  
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Iodine   I-  
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Oxygen   O-2  
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Sulfur   S-2  
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Nitrogen   N-3  
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Hydroxide   OH-  
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Hydrogen Carbonate (Bicarbonate)   HCO.3-  
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Nitrite   NO.2-  
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Nitrate   NO.3-  
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Hypochlorite   ClO-  
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Chlorate   ClO.3-  
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Chlorite   ClO.2-  
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Perchlorate   ClO.4-  
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Acetate   C.2H.3O.2-  
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Permanganate   MnO.4-  
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Hydrogen Sulfate (Bisulfate)   HSO.4-  
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Carbonate   CO.3-2  
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Sulfite   SO.3-2  
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Sulfate   SO.4-2  
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Tetraborate   B.4O.7-2  
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Silicate   SiO.3-2  
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Chromate   CrO.4-2  
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Oxalate   C.2O.4-2  
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Borate   BO.3-3  
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Phosphate   PO.4-3  
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Phosphite   PO.3-3  
🗑
Ferricyanide   [Fe(CN).6]-3  
🗑
Ferrocyanide   [Fe(CN).6]-4  
🗑


   

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