Rules for Naming Ions Negative ions--Anions 3.Polyatomic anions containing oxygen have names ending in -ate or -ite NO,:nitrate ion SO:sulfate ion NO,:nitrite ion SO:sulfite ion CIO:perchlorate ion Cl03: chlorate ion C102: chlorite ion ClO:hypochlorite ionNegative ions--Anions 3. Polyatomic anions containing oxygen have names ending in –ate or –ite 2 4 2 3 : : SO sulf ion SO sulf ate ite ion   Rules for Naming Ions 3 2 : NO nitr ion : NO nitr ate ite ion   4 3 2 : : : : ClO chlor ion ClO chlor ion ClO chlor io per ate ate ite h n ClO chlor ypo ite ion    