This book covers 90 key topics in summary fashion, including chemical equations, atomic structure, phase transitions, acids and bases, and much more. For more than a decade, titles in this handy, quick study series have helped many college freshmen and others taking introductory 101–level college courses. Designed to be compatible with virtually all standard textbooks in their target subjects, EZ–101 Study Keys outline and organize subject material so that it resembles classroom lecture notes taken by attentive students. As such, these books provide a general overview of course material, and are ideal for brush-up and review study sessions before taking examinations or writing class papers.