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ACIDS: NAMING AND FORMULAS

This guide explores the naming and formulas of binary and ternary acids. Binary acids, formed from hydrogen and one nonmetal element, are named with "hydro" at the beginning and "ic" at the end, e.g., hydrosulfuric acid (H₂S). Ternary acids comprise hydrogen and a polyatomic ion, with naming based on the ion's ending: "ate" becomes "ic," and "ite" becomes "ous." Understanding how to balance charges is essential for writing correct formulas. This essential knowledge streamlines your chemistry studies.

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ACIDS: NAMING AND FORMULAS

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  1. ACIDS: NAMING AND FORMULAS

  2. BINARY ACIDS • Covalent bonds • Composed of hydrogen and one other element – a nonmetal • Formulas are written balancing charges like ionic compounds Ex. H2S NOTE: hydrogen will be the only one that gets a subscript • Name begins with “hydro” and ends with “ic” Ex. Hydrosulfuric acid

  3. TERNARY ACIDS • Composed of hydrogen and a polyatomic ion • As with binary acids, balance charges to write formulas • To name, use the name of the polyatomic ion with either an “ic” or “ous” ending • Dreaded chemistry disorder: “ATE IC ITE OUS” Change “ate” to “ic” and “ite” to “ous”

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