The purpose of the Novare Chemistry Supplement is to provide background to students who will be using our text Chemistry for Accelerated Students (CAS). CAS was specifically designed for accelerated sophomore students, concurrently enrolled in Algebra 2, who used our text Accelerated Studies in Physics and Chemistry (ASPC) the previous year as freshmen. We would like for capable students to be able to use CAS for sophomore chemistry even if they did not study from ASPC the previous year. This supplement provides students with the necessary background to make that possible.