The chemistry of main-group elements including a survey of the structure, bonding, and reactivity of their compounds. Transition-metal chemistry will be introduced. The course will include applications in industrial, biochemical, environmental, and materials science. Students who have obtained credit for CHEM 331 cannot take CHEM 241 for credit. Prerequisites: CHEM 102 or 105 and CHEM 161 or 164 or 261.