Environmental chemists toolbox

2.1 About this chapter 14

2.2 Order in the elements? 14

2.3 Bonding 19

2.3.1 Covalent bonds 19

2.3.2 Ionic bonding, ions and ionic solids 20

2.4 Using chemical equations 21

2.5 Describing amounts of substances: the mole 22

2.6 Concentration and activity 22

2.7 Organic molecules - structure and chemistry 23

2.7.1 Functional groups 25

2.7.2 Representing organic matter in simple equations 26

2.8 Radioactivity of elements 27

2.9 Finding more chemical tools in this book 29

2.10 Further reading 30

2.11 Internet search keywords 30

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