Definition of Zwitterion

Asparagine chemical structure

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zwitterion is a molecule that contains both positively and negatively charged functional groups, and the net charge of the entire molecule is zero. Amino acids are the best-known examples of zwitterions. They contain an amine group (basic) and a carboxyl group (acidic).

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Helmenstine, Anne Marie, Ph.D. "Definition of Zwitterion." ThoughtCo, Feb. 16, 2021, thoughtco.com/definition-of-zwitterion-604702. Helmenstine, Anne Marie, Ph.D. (2021, February 16). Definition of Zwitterion. Retrieved from https://www.thoughtco.com/definition-of-zwitterion-604702 Helmenstine, Anne Marie, Ph.D. "Definition of Zwitterion." ThoughtCo. https://www.thoughtco.com/definition-of-zwitterion-604702 (accessed June 16, 2021).