WJEC Chemistry for AS Level Student Book: 2nd Edition (Draft)

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Contents

Introduction

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 57 1.6 The periodic table 62 1.7 Simple equilibria and acid-base reactions 74 Answering exam questions 90 Exam practice questions 91 Unit 2 Energy, Rate and Chemistry of Carbon Compounds 2.1. Thermochemistry 94 2.2. Rates of reaction 108 2.3. The wider impact of chemistry 122 2.4. Organic compounds 127 2.5. Hydrocarbons 140 2.6. Halogenoalkanes 153 2.7. Alcohols and carboxylic acids 161 2.8. Instrumental analysis 172 Answering exam questions 182 Exam practice questions 183

Maths skills Arithmetic and numeral computation

188 192 193 195 196

Handling data DRAFT Algebra Graphs Geometry Knowledge check answers 197 202 210 212 Test yourself answers Answers to introductory assessment questions Exam practice answers Periodic table 216 217 219 Glossary Index 3