Partial table of contents: Technetium Chemistry and Technetium Radiopharmaceuticals (E. Deutsch et al.). Homolytic and Free Radical Pathways in the Reactions of Organochromium Complexes (J. Espenson). Mechanisms of Electron Transfer Reactions: The Bridged Activated Complex (A. Haim). Aquo Complexes of Metal Ions (J. Hunt and H. Friedman). Excited-State Electron Transfer (T. Meyer). Subject Index. Cumulative Index.