BarCharts’ best-selling quick reference to chemistry has been updated and expanded in this new edition。 With updated content and an additional panel of information， this popular guide is not only an essential companion for students in introductory chemistry courses but also a must-have refresher for students in higher-level courses。 Author Mark D。 Jackson， PhD， a scientist and university chemistry professor， has a gift for making the complicated subject of chemistry interesting and easy to understand—without the fluff。 In this new edition， you will find more coverage of the subject， helpful illustrations， chemical problems， and practical applications， making this a study tool you won’t want to be without。