Use the flowchart in Figure 3.11 to name each compound.

(a) SO₂ 

(b) HClO₄(aq)

(c) CoF₂

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Inorganic Nomenclature Flowchart Metal forms one type of ion only. name of cation (metal) IONIC Metal and nonmetal name of cation (metal) Example: Cal₂ calcium iodide Metal forms more than one type of ion. base name of anion (nonmetal) + -ide charge of cation (metal) in Roman numerals in parentheses Example: FeCl3 iron(III) chloride prefix MOLECULAR Nonmetals only name base name of of 1st prefix 2nd element element + -ide Example: P₂05 diphosphorus pentoxide base name of anion (nonmetal) + -ide Binary acids Two-element base name of hydro nonmetal +-ic Example: HCI hydrochloric acid ACIDS* H and one or more nonmetals acid Oxyacids Contain oxygen -ate base name of oxyanion + -ic acid Example: H3PO4 phosphoric acid base name of oxyanion + -ous -ite acid Example: H₂SO3 sulfurous acid *Acids must be in aqueous solution.