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Unformatted text preview: -ite and the one with more oxgyen is given a name that ends in -ate . NO 2-Nitrite NO 3-Nitrate SO 3 2-Sulfite SO 4 2-Sulfate hypo- and per-In the case where there is a series of four oxyanions, the hypo-and per-prefixes are used in conjunction with the -ite and -ate suffixes. The hypo-and per-prefixes indicate less oxygen and more oxygen, respectively. ClO-Hypochlorite ClO 2-Chlorite ClO 3-Chlorate ClO 4-Perchlorate bi- and di- hydrogen Polyatomic anions sometimes gain one or more H + ions to form anions of a lower charge. These ions are named by adding the word hydrogen or dihydrogen in front of the name of the anion. It is still common to see and use the older naming convention in which the prefix bi-is used to indicate the addition of a single hydrogen ion. HCO 3-Hydrogen carbonate or bicarbonate HSO 4-Hydrogen sulfate or bisulfate H 2 PO 4-Dihydrogen phosphate...
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- Fall '08