WJEC Chemistry for AS Level Student Book: 2nd Edition

Contents About this book 4 Unit 1 The Language of Chemistry, Structure of Matter and Simple Reactions 1.1 Formulae and equations 10 1.2 Basic ideas about atoms 16 1.3 Chemical calculations 32 1.4 Bonding 49 1.5 Solid structures 59 1.6 The periodic table 64 1.7 Simple equilibria and acid-base reactions 76 Answering exam questions 92 Exam practice questions 93 Unit 2 Energy, Rate and Chemistry of Carbon Compounds 2.1. Thermochemistry 96 2.2. Rates of reaction 110 2.3. The wider impact of chemistry 124 2.4. Organic compounds 129 2.5. Hydrocarbons 142 2.6. Halogenoalkanes 157 2.7. Alcohols and carboxylic acids 165 2.8. Instrumental analysis 176 Answering exam questions 186 Exam practice questions 187 Maths skills Arithmetic and numeral computation 192 Handling data 196 Algebra 197 Graphs 199 Geometry 200 Knowledge check answers 201 Test yourself answers 206 Answers to questions 214 Exam practice answers 215 Glossary 220 Index 222 Periodic table 225 3 Contents