First 25 Polyatmic Ions

hydrogen carbonate/bicarbonate

HCO3 1-

hydrogen sulfate/bisulfate

HSO4 1-

hydrogen sulfite/bisulfite

HSO3 1-

monohydrogen phosphate

HPO4 2-

dihydrogen phosphate

H2PO4 1-

hydrogen oxalate/binoxilate

HC2O4 1-

hydrogen phthalate/biphthalate

HC8H4O4 1-

thiocynate

SCN 1-

thiosulfate

S2O3 2-

nitrate

NO3 1-

nitrite

NO2 1-

perchlorate

ClO4 1-

chlorate

ClO3 1-

chlorite

ClO2 1-

hypochlorite

ClO 1-

perbromate

BrO4 1-

bromate

BrO3 1-

bromite

BrO2 1-

hypobromite

BrO 1-

periodate

IO4 1-

iodate

IO3 1-

iodite

IO2 1-

hypoiodite

IO 1-

permanganate

MnO4 1-

manganate

MnO3 1-