Appendix
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 |