Part 1 of a 2-part series developed to assist high school students understand chemistry, this text can be used in conjunction with other textbooks or as a standalone textbook. Part 1 focuses on the atom, atomic structure, and electrons. The last chapters deal with moles and balancing reactions. Depending on the pace and coverage of the material, this is usually the first year of an in-depth look of chemistry or the first semester if used as a brief...