IUPAC Definition (Chemistry)

The IUPAC sets the standards of atomic weights that appear on the periodic table.
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By
Anne Marie Helmenstine, Ph.D.
Anne Marie Helmenstine, Ph.D.
Chemistry Expert
  • Ph.D., Biomedical Sciences, University of Tennessee at Knoxville
  • B.A., Physics and Mathematics, Hastings College
Dr. Helmenstine holds a Ph.D. in biomedical sciences and is a science writer, educator, and consultant. She has taught science courses at the high school, college, and graduate levels.
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Updated on March 11, 2019

IUPAC Definition: IUPAC is an acronym for International Union of Pure and Applied Chemistry. The IUPAC is the recognized authority for chemical standards of nomenclature, measurements, and atomic mass values, setting the standards of atomic weights that appear on the periodic table.

Also Known As: International Union of Pure and Applied Chemistry

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Helmenstine, Anne Marie, Ph.D. "IUPAC Definition (Chemistry)." ThoughtCo, Aug. 27, 2020, thoughtco.com/definition-of-iupac-605236. Helmenstine, Anne Marie, Ph.D. (2020, August 27). IUPAC Definition (Chemistry). Retrieved from https://www.thoughtco.com/definition-of-iupac-605236 Helmenstine, Anne Marie, Ph.D. "IUPAC Definition (Chemistry)." ThoughtCo. https://www.thoughtco.com/definition-of-iupac-605236 (accessed May 31, 2023).