Official course description: First course in a three-quarter overview of general chemistry, organic chemistry, and biochemistry. Not for students majoring in biochemistry, chemistry, or engineering. Includes matter and energy, chemical nomenclature, chemical reactions, stoichiometry, modern atomic theory, chemical bonding. Laboratory. Only 5 credits can be counted toward graduation from the following: CHEM 120, CHEM 142, CHEM 145. Offered: AS.