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Unformatted text preview: Table 2.4 Formulas and Names of Some Common Polyatomic Ions FORMULA NAME FORMULA NAME CATION: POSITIVE ION NH,+ Ammonium ion ANIONS: NEGATIVE IONS BASED ON A GROUP 4A ELEMENT BASED ON A GROUP 7A ELEMENT CN Cyanide ion CIO Hypochlorite ion CH-CO, Acetate ion CIO, Chlorite ion CO,2- Carbonate ion CIO, Chlorate ion HCO, Hydrogen carbonate ion CIOA Perchlorate ion (or bicarbonate ion) CO.2- Oxalate ion BASED ON A GROUP 5A ELEMENT BASED ON A TRANSITION METAL NO, Nitrite ion Cro,2- Chromate ion NO, Nitrate ion Cr20,2- Dichromate ion PO 3- Phosphate ion MnOA Permanganate ion HPO,2- Hydrogen phosphate ion H-PO. Dihydrogen phosphate ion BASED ON A GROUP 6A ELEMENT OH- Hydroxide ion SO,2- Sulfite ion 50,2- Sulfate ion HSO. Hydrogen sulfate ion (or bisulfate ion)...
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  • Fall '19
  • Ion, Oxoanions, Polyatomic ion

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