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 Common Polyatomic Ions for Chemistry I (Core 40)
 

+1
ammonium, NH4+

-1
acetate, C2H3O2-, or CH3COO -
chlorate, ClO3-
chlorite, ClO2-
cyanide, CN-
hydrogen carbonate, HCO3- (also called bicarbonate)
hydroxide, OH-
hypochlorite, ClO-
iodate, IO3-
nitrate, NO3-
nitrite, NO2-
permanganate, MnO4-
perchlorate, ClO4-

-2
carbonate, CO3 -2
chromate, CrO4 -2
dichromate, Cr2O7 -2
sulfate, SO4 -2
sulfite, SO3 -2

-3
phosphate, PO4 -3
phosphite, PO3 -3

 
Last updated on August 2, 2001 11:15 PM