Facts101 is your complete guide to Chemistry in Quantitative Language, Fundamentals of General Chemistry Calculations. In this book, you will learn topics such as Atomic Structure and Isotopes/Formula and Molecular Mass, Measuring Chemical Quantities/Formulas of Compounds and Percent Composition, Chemical Formulas and Nomenclature, and Chemical Equations/Stoichiometry plus much more. With key features such as key terms, people and places, Facts101 gives you all the information you need to prepare for your next exam. Our practice tests are specific to the textbook and we have designed tools to make the most of your limited study time.