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Polyatomic Ions

all the polyatomic ions that need to be memorized for malcolm's ap chem class
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Perchloric acid
HCLO4 (aq)
Carbonate
CO3 2-
Phosphite
PO3 3-
Carbonic Acid
H2CO3 (aq)
Perchlorate
ClO4 -
Sulfur Trioxide
SO3
Chlorate
ClO3 -
Hydrogen Phosphate
HPO4 2-
Hydrogen Sulfate
HSO4 -
Phosphate
PO4 3-
Hydronium
H3O +
Chromate
CrO4 2-
Dihydrogen Phosphate
H2PO4 -
Hydrogen Carbonate
HCO3 -
Oxalate
C2O4 2-
Periodate
IO4 -
Hydrochloric Acid
HCl (aq)
Hydroiodic Acid
HI (aq)
Iodate
IO3 -
Sulfuric Acid
H2SO4 (aq)
Phosphorus Pentachloride
PCl5
Sulfate
SO4 2-
Nitric Acid
HNO3 (aq)
Hydrobromic Acid
HBr (aq)
Perbromate
BrO4 -
Sulfite
SO3 2-
Bromate
BrO3 -
Dinitrogen Tetroxide
N2O4
Nitrate
NO3 -
Acetate
C2H3O2 -
Hydroxide
OH -
Permanganate
MnO4 -
Dichromate
Cr2O7 2-
Nitrite
NO2 -
Ammonium
NH4 +
Cyanide
CN-