Polyatomic Ions - Table 2.4 Formulas and Names of Some...

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Unformatted text preview: Table 2.4 Formulas and Names of Some Common Polyatomic lons FORMULA NAME FORMULA NAME CATION: POSITIVE ION NHat Ammonium ion ANIONS: NEGATIVE IONS BASED ON A GROUP 4A ELEMENT BASED ON A GROUP 7A ELEMENT CN Cyanide ion CIO Hypochlorite ion CH;CO2 Acetate ion CIO2 Chlorite ion CO32- Carbonate ion CIO3 Chlorate ion HCO3 Hydrogen carbonate ion CIOA Perchlorate ion (or bicarbonate ion) Oxalate ion BASED ON A GROUP 5A ELEMENT BASED ON A TRANSITION METAL NO, Nitrite ion Cro 2- Chromate ion NO3 Nitrate ion Cr2012- Dichromate ion PO,3- Phosphate ion MnO Permanganate ion HPO,2- Hydrogen phosphate ion H2POA Dihydrogen phosphate ion BASED ON A GROUP 6A ELEMENT Note: many O OH- Hydroxide ion containing anions have SO,2- Sulfite ion names ending in -ate SO.2- Sulfate ion HSO4 Hydrogen sulfate ion (or -ite). (or bisulfate ion)...
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  • Spring '16
  • Polyatomic Ions, Ion, Oxoanions, Polyatomic ion

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