Chapter 14 States of Matter................................................................................. 136 Chapter 15 Chemical and Physical Change...................................................... 147 Chapter 16 Atoms and Elements........................................................................ 155 Chapter 17 Compounds, Mixtures and Separation of Mixtures.................... 164 Chapter 18 Solutions and Solubility ................................................................... 174 Chapter 19 The Periodic Table ............................................................................. 182 Chapter 20 Metals and Non-Metals.................................................................... 193 Chapter 21 Rates of Reactions ............................................................................ 199 Chapter 22 Acids and Bases................................................................................. 212 Chapter 23 Energy in Chemical Reactions........................................................... 224 Chapter 24 Materials and Sustainability............................................................ 230