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Polyatomic Ions
Acetate
C2H3O2-
Perchlorate Ion
ClO4-
Cyanide
CN-
Carbonate Ion
CO3 2-
Permanganate
MnO4-
Ammonium Ion
NH4+
Nitrite Ion
NO2-
Nitrate Ion
NO3-
Hydroxide
OH-
Phosphate Ion
PO4 3-
Sulfite Ion
SO3 2-
Sulfate
SO4 2-