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Informationen zum Autor John T. Moore, EdD, is Regents Professor of Chemistry Emeritus and Coordinator of STEM Activities at Stephen F. Austin State University. He is the author of Chemistry For Dummies and coauthor of Biochemistry For Dummies. Klappentext All of the critical calculations What you need to know to conquer chemistry Concise coverage of key topics Your handy guide to critical chemistry concepts This friendly and useful reference focuses on concepts taught in a typical first semester college or high school chemistry class. From bonds and reactions to acids, bases, and the mole, get to the heart of matter and energy. Discover the ins and outs of chemical reactions, including how they occur and how they can be balanced, and learn how to read and use the periodic table of elements. Chemistry Essentials For Dummies is perfect for cramming, homework help, or as a reference for parents and tutors helping students study for exams. Inside... How to measure matter Atomic structure explained The periodic table of elements Tips for balancing chemical reactions Ionic and covalent bonds Properties of acids and bases Ways to use electron-dot formulas Inhaltsverzeichnis Introduction 1 About This Book 1 Conventions Used in This Book 2 Foolish Assumptions 2 Icons Used in This Book 3 Where to Go from Here 3 Chapter 1: Matter and Energy: Exploring the Stuff of Chemistry 5 Knowing the States of Matter and Their Changes 6 Solids, liquids, and gases 6 Condensing and freezing 7 Melting and boiling 8 Skipping liquids: Sublimation 9 Pure Substances and Mixtures 9 Pure substances 10 Throwing mixtures into the mix 11 Measuring Matter 12 Nice Properties You've Got There 13 Energy Types 14 Kinetic energy 14 Potential energy 15 Temperature and Heat 15 Chapter 2: What's in an Atom? 17 Subatomic Particles 17 Centering on the Nucleus 19 Locating Those Electrons 21 The quantum mechanical model 21 Energy level diagrams 26 Isotopes and Ions 30 Isotopes: Varying neutrons 31 Ions: Varying electrons 32 Chapter 3: The Periodic Table 35 Repeating Patterns: The Modern Periodic Table 35 Arranging Elements in the Periodic Table 38 Grouping metals, nonmetals, and metalloids 38 Arranging elements by families and periods 41 Chapter 4: Nuclear Chemistry 43 Seeing How the Atom's Put Together 43 Dealing with a Nuclear Breakup: Balancing Reactions 44 Understanding Types of Natural Radioactive Decay 46 Alpha emission 47 Beta emission 48 Gamma emission 48 Positron emission 48 Electron capture 49 Half-Lives and Radioactive Dating 49 Calculating remaining radioactivity 50 Radioactive dating 51 Breaking Elements Apart with Nuclear Fission 51 Mass defect: Where does all that energy come from? 52 Chain reactions and critical mass 52 Coming Together with Nuclear Fusion 53 Chapter 5: Ionic Bonding 55 Forming Ions: Making Satisfying Electron Trades 55 Gaining and losing electrons 56 Looking at charges on single-atom ions 58 Grouping atoms to form polyatomic ions 61 Creating Ionic Compounds 63 Making the bond: Sodium metal + chlorine gas = sodium chloride 63 Figuring out the formulas of ionic compounds 64 Naming ionic compounds 66 Bonding Clues: Electrolytes and Nonelectrolytes 68 Chapter 6: Covalent Bonding 69 Covalent Bond Basics 69 Sharing electrons: A hydrogen example 69 Comparing covalent bonds with other bonds 71 Dealing with multiple bonds 72 Naming...
