Atomic Structure.- Atomic and Molecular Properties.- The Valence Bond and Hybrid Orbital Descriptions of Chemical Bonding.- The Molecular Orbital Theory of Electronic Structure and the Spectroscopic Properties of Diatomic Molecules.- Electronic Structures, Photoelectron Spectroscopy, and the Frontier Orbital Theory of Reactions and Polyatomic Molecules.- Transition-Metal Complexes.- Bonding in Solids and Liquids.- Appendices: Physical Constants and Conversion Factors.- The Greek Alphabet.- Answers to Selected Questions and Problems.