Jack Halpern
Contributor
Louis Block Distinguished Service Professor of Chemistry, University of Chicago. Author of papers on coordination compounds and reaction mechanisms.
Primary Contributions (1)
Coordination compound, any of a class of substances with chemical structures in which a central metal atom is surrounded by nonmetal atoms or groups of atoms, called ligands, joined to it by chemical bonds. Coordination compounds include such substances as vitamin B12, hemoglobin, and chlorophyll,β¦
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