Defining an Acid (7.1)

2 TimeNobel Prize winner: Svante Arrhenius (1854)

Arrhenius Acid Method of defining an Acid – Increases [H+]

Hydronium Ion [H3O+]

J.N. Brønsted and T.M. Lowry (1923)

Brønsted-Lowry method of defining an acid – proton donor

Monoprotic Acid (1 proton)

Polyprotic Acid (More than 1 proton)

Ionization “See the term…making ions”

G.N. Lewis (1923)

Lewis method of defining an Acid… accepts a pair of electrons into a covalent bond

Adduct “Product of Adding”

Lewis Acid without Hydrogen

Hypervalence

Hypervalence in Lewis Dot Structure