common polyatomic ions - chem 0110

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mercury(I) or mercurous
Hg2 2+
ammonium
NH4 +
cyanide
CN -
carbonate
CO3 2-
hydrogen carbonate (or bicarbonate)
HCO3 -
acetate
C2H3O2 -
oxalate
C2O4 2-
hypochlorite
ClO -
chlorite
ClO2 -
chlorate
ClO3 -
perchlorate
ClO4 -
chromate
CrO4 2-
dichromate
Cr2O7 2-
permanganate
MnO4 -
nitrite
NO2 -
nitrate
NO3 -
hydroxide
OH -
peroxide
O2 2-
phosphate
PO4 3-
monohydrogen phosphate
HPO4 2-
dihydrogen phosphate
H2PO4 -
sulfite
SO3 2-
sulfate
SO4 2-
hydrogen sulfite (or bisulfite)
HSO3 -
hydrogen sulfate (or bisulfate)
HSO4 -
thiosulfate
S2O3 2-