1. Figure 2.0 Bombardier beetle

2. Figure 2.1 The hierarchy of biological order from atom to organism

3. Figure 2.2 The emergent properties of a compound

4. Table 2.1 Naturally Occurring Elements in the Human Body

5. Figure 2.3 Nitrogen deficiency

6. Figure 2.4 Goiter

7. Figure 2.5 Two simplified models of a helium (He) atom

8. Figure 2.6 Using radioactive isotopes to study cell chemistry

9. Figure 2.7 A PET scan, a medical use for radioactive isotopes

10. Figure 2.8 The Tokaimura nuclear accident

11. Figure 2.9 Energy levels of an atom’s electrons

12. Figure 2.10 Electron configurations of the first 18 elements

13. Figure 2.11 Electron orbitals

14. Figure 2.12 Covalent bonding in four molecules

15. Figure 2.12x Methane

16. Figure 2.13 Polar covalent bonds in a water molecule

17. Figure 2.14 Electron transfer and ionic bonding

18. Figure 2.15 A sodium chloride crystal

19. Figure 2.16 A hydrogen bond

20. Figure 2.17 Molecular shapes due to hybrid orbitals

21. Figure 2.18 Molecular shape and brain chemistry

22. Figure 2.19 A molecular mimic

23. Unnumbered Figure (Page 38) Chemical reaction between hydrogen and oxygen

24. Figure 2.20 Photosynthesis: a solar-powered rearrangement of matter

25. Figure 3.0 Earth

26. Figure 3.1 Hydrogen bonds between water molecules

27. Figure 3.2 Water transport in plants

28. Figure 3.2x Trees

29. Figure 3.3 Walking on water

30. Figure 3.4 Evaporative cooling

31. Figure 3.x1 Water

32. Figure 3.5 The structure of ice (Layer 1)

33. Figure 3.5 The structure of ice (Layer 2)

34. Figure 3.5x1 Ice, water, and steam

35. Figure 3.6 Floating ice and the fitness of the environment

36. Figure 3.6x1 Floating ice and the fitness of the environment: ice fishing

37. Figure 3.6x2 Ice floats and frozen benzene sinks

38. Figure 3.7 A crystal of table salt dissolving in water

39. Figure 3.8 A water-soluble protein

40. Figure 3.x2 Moles

41. Unnumbered Figure (page 47) Chemical reaction: hydrogen bond shift

42. Figure 3.9 The pH of some aqueous solutions

43. Figure 3.10 The effects of acid precipitation on a forest

44. Figure 3.10x1 Pulp mill

45. Figure 3.10x2 Acid rain damage to statuary, 1908 & 1968