Introduction to chemistry for non-science majors. Discussion of the role of natural and man-made chemicals in everyday life, with an emphasis on sustainable and environmentally-sensitive use of chemicals to improve our world. A-F only. Students who successfully completed CHEM 100 with a grade of C or better will not be allowed to enroll in 120/CHEM 110 without instructor override. Students who successfully complete 120/CHEM 110 with a grade of C or better will not be allowed to enroll in 100 without instructor override. (Cross-listed as CHEM 110)