Polyatomic Ions

Polyatomic Ions (common)

Cations
NH4+ Ammonium
Hg22+ Mercury(I)
Anions (1-)
OH Hydroxide
HSO4 Hydrogen sulfate
CH3COO Acetate
ClO Hypochlorite
ClO2 Chlorite
ClO3 Chlorate
ClO4 Perchlorate
NO2 Nitrite
NO3 Nitrate
MnO4 Permanganate
H2PO4 Dihydrogen phosphate
CN Cyanide
HCO3 Hydrogen carbonate
SCN Thiocyanate
Anions (2-)
O22− Peroxide
SO32− Sulfite
SO42− Sulfate
S2O32− Thiosulfate
Cr2O72− Dichromate
CrO42− Chromate
CO32− Carbonate
HPO42− Monohydrogen phosphate
C2O42− Oxalate
Anions (3-)
PO43− Phosphate
AsO43− Arsenate

License

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Chemistry 109 Fall 2021 by John Moore, Jia Zhou, and Etienne Garand is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License, except where otherwise noted.