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Chem 103 Table 2.4

Formulas and Names of some Polyatomic Ions

QuestionAnswer
NH(4)+ ammonium ion
CN- cyanide ion
CH(3)C0(2)- acetate ion
C0(3)2- carbonate ion
HCO(3)- hydrogen carbonate ion (bicarbonate)
NO(2)- nitrite ion
NO(3)- nitrate ion
PO(4)3- phosphate ion
HPO(4)2- hydrogen phosphate ion
H(2)PO(4)- dihydrogen phosphate ion
OH- hydroxide ion
SO(3)2- sulfite ion
SO(4)2- sulfate ion
HSO(4)- hydrogen sulfate ion (bisulfate)
ClO- hypochlorite ion
ClO(2)- chlorite ion
ClO(3)- chlorate ion
ClO(4)- perchlorate ion
CrO(4)2- chromate ion
Cr(2)O(7)2- dichromate ion
MnO(4)- permanganate ion
Created by: Titanicjo
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