SAT Chemistry Chemical Formulas - Names and Formulas Of Common Acids and Bases The definition of an acid and a base is expanded later in a first-year chemistry course. For now, common acids are aqueous solutions of hydrogen compounds that contain hydrogen ions, H + . Common bases are aqueous solutions containing hydroxide ions, OH - . A binary acid is named by placing the prefix hydro- in front of the stem or full name of the nonmetallic element, and adding the ending -ic. Examples are hydrochloric acid (HCl) and hydrosulfuric acid (H 2 S). A ternary compound consists of three elements, usually an element and a polyatomic ion. To name the compound, you merely name each component in the order of positive first and negative second. Ternary acids usually contain hydrogen, a nonmetal, and oxygen. Because the amount of oxygen often varies, the name of the most common form of the acid in the series consists of merely the stem of the nonmetal with the ending -ic. The acid containing on
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