Name Symbol
ammonium ion NH4+
dihydrogen phosphite ion H2PO3-
hydrogen phosphite ion HPO32-
phosphite ion PO33-
dihydrogen phosphate ion H2PO4-
hydrogen phosphate ion HPO42-
phosphate ion PO43-
hydrogen carbonate (bicarbonate) ion HCO3-
carbonate ion CO32-
hydrogen sulfite (bisulfite) ion HSO3-
sulfite ion SO32-
hydrogen sulfate (bisulfate) ion HSO4-
sulfate ion SO42-
nitrate ion NO3-
nitrite ion NO2-
hydroxide ion OH-
acetate ion C2H3O2-
oxalate ion C2O42-
chromate ion CrO42-
dichromate ion Cr2O72-
cyanide ion CN-
permanganate ion MnO4-
peroxide ion O22-
hypochlorite ion ClO-
chlorite ion ClO2-
chlorate ion ClO3-
perchlorate ion ClO4-
hypobromite ion BrO-
bromite ion BrO2-
bromate ion BrO3-
perbromate ion BrO4-
hypoiodite ion IO-
iodite ion IO2-
iodate ion IO3-
periodate ion IO4-
arsenate ion AsO43-
arsenite ion AsO33-