acids and bases: Acid-Base Theories

There are three theories that identify a singular characteristic which defines an acid and a base: the Arrhenius theory, for which the Swedish chemist Svante Arrhenius was awarded the 1903 Nobel Prize in chemistry; the Brönsted-Lowry, or proton donor, theory, advanced in 1923; and the Lewis, or electron-pair, theory, which was also presented in 1923. Each of the three theories has its own advantages and disadvantages; each is useful under certain conditions.

Sections in this article:

• Introduction
• The Lewis Theory
• The Brönsted-Lowry Theory
• The Arrhenius Theory
• Acid-Base Theories
• Classification
• Properties

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