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The Polyatomic Ions. You Need to know!!!!!!. NH 4 +. Ammonium. H 3 O +. Hydronium. OH –. Hydroxide. CN –. Cyanide. SCN –. Thiocyanate. NO 3 –. Nitrate. NO 2 –. Nitrite. CO 3 2 –. Carbonate. HCO 3 –. Bicarbonate (aka: Hydrogen Carbonate). C 2 O 4 2–. Oxalate. S 2 O 3 2–.
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The Polyatomic Ions You Need to know!!!!!!
NH4+ Ammonium
H3O+ Hydronium
OH– Hydroxide
CN– Cyanide
SCN– Thiocyanate
NO3– Nitrate
NO2– Nitrite
CO32– Carbonate
HCO3– Bicarbonate (aka: Hydrogen Carbonate)
C2O42– Oxalate
S2O32– Thiosulfate
SO42– Sulfate
SO32– Sulfite
PO43– Phosphate
PO33– Phosphite
ClO– Hypochlorite
ClO2– Chlorite
ClO3– Chlorate
ClO4– Perchlorate
C2H3O2– orCH3COO– Acetate
MnO4– Permanganate
CrO42– Chromate
Cr2O72– Dichromate