Chemistry Department

Raymond Chang

Halford R. Clark Professor of Natural Sciences, Emeritus
413-597-2128

Office: Thompson Chemistry Lab 112
Lab: Bronfman Science Center 264-265
(413) 597-2184

At Williams since 1968

Areas of Expertise

Generation and characterization of unusual radicals; fluorescence quenching of chlorophyll molecules.

Scholarship/Creative Work

Selected Publications

  • “Singlet Quenching of Chlorophyll a and Pheophytin a by 2,4,7-trinitro-9-(fluoroenylidene)malononitrile: Influence of Ground-state Complexation,” L. V. Natarajan, M. Thandi Buthelezi, Laura R. Lim, and Raymond Chang, Chem. Phys. Letts. 197, 145 (1992).
  • “Protodediazoniation of Aryldiazonium Fluoroborates by Dimethylformamide,” J. H. Markgraf, R. Chang, J. R. Cort, J. L. Durant, Jr., M. Finkelstein, A. W. Gross, M. H. Lavyne, W. M. Moore, R. C. Petersen, and S. D. Ross, Tetrahedron, 53, 10009 (1997).
  • “Primary Kinetic Isotope Effect – A Lecture Demonstration,” R. Chang, The Chemical Educator,Volume 2, Issue 3 (1997).
  • “Illustrating Chemical Concepts with Coin Flipping,” R. Chang and J. W. Thoman, Jr., Chem. Educator, 6, 1-2 (2001).
  • “Lecture Demonstration of Fluorescence and Phosphorescence,” David P. Richardson and Raymond Chang, Chemical Educator, 12, 1 (2007).

Textbooks

  • PHYSICAL SCIENCE, Jerry S. Faughn, Ramond Chang, and Jon Turk, Saunders College Publishing, Philadelphia, 1995.
  • CyberChem (a CD-ROM for general chemistry), M. Ashour-Abdalla and Raymond Chang, W. C. Brown/McGraw-Hill, Inc., 1997.
  • PHYSICAL CHEMISTRY FOR THE CHEMICAL AND BIOLOGICAL SCIENCES, Raymond Chang, University Science Books, Sausalito, CA, 2000.
  • PHYSICAL CHEMISTRY FOR THE BIOSCIENCES, Raymond Chang, University Science Books, Sausalito, CA, 2005.
  • GENERAL CHEMISTRY, Raymond Chang, fourth edition, McGraw-Hill Publishing Company, Dubuque, IA, 2006.
  • CHEMISTRY, ninth edition, Raymond Chang, McGraw-Hill Publishing Company, Dubuque, IA, 2007.