Common Polyatomic Ions (Chem 105/106)

• NH4+


  Ammonium
• H3O+


  Hydronium
• C2H3O2-


  Acetate
• CN-


  Cyanide
• OH-


  Hydroxide
• OCl-


  Hypochlorite
• ClO2-


  Chlorite
• ClO3-


  Chlorate
• ClO4-


  Perchlorate
• NO2-


  Nitrite
• NO3-


  Nitrate
• MNO4-


  Permanganate
• SCN-


  Thiocyanide
• C6H5O7 3-


  Citrate
• PO4 3-


  Phosphate
• C2O4 2-


  Oxalate
• CO3 2-


  Carbonate
• HCO3-


  Bicarbonate
• SO3 2-


  Sulfite
• SO4 2-


  Sulfate