1. Chapter 2 Atoms, Molecules, and Ions pp

8. Figure 2.4 Representation of some of Gay-Lussac’s Experimental Results on Combining Gas Volumes

9. Figure 2.5 Representation of Combining Gases at the Molecular Level

11. Thomson’s Experiment + - Voltage source

12. Thomson’s Experiment + - Voltage source

17. Millikan’s Experiment Oil Atomizer Oil droplets Telescope - +

18. Millikan’s Experiment X-rays X-rays give some electrons a charge.

19. Millikan’s Experiment Some drops would hover From the mass of the drop and the charge on the plates, he calculated the mass of an electron

20. Figure 2.10 Diagram of the Millikan Apparatus

23. Lead block Uranium Gold Foil Florescent Screen

24. What he expected

25. Because

26. Because, he thought the mass was evenly distributed in the atom.

27. What he got

29. +

30. Figure 2.12 Rutherford’s Experiment on  particle Bombardment of Metal Foil

31. Figure 2.13 Expected and Actual Results of Rutherford’s Experiment

34. The Mass and Change of the Electron, Proton, and Neutron

35. Symbols X A Z Na 23 11

40. Periodic Table

43. Semi-metals or Metalloids

44. Alkali Metals

45. Alkaline Earth Metals

46. Halogens

47. Transition metals

48. Noble Gases

49. Inner Transition Metals

50. +1 +2 -1 -2 -3

53. Figure 2.22 Common Cations and Anions

55. More Naming

58. Figure 2.23 Flowchart for Naming Binary Compounds

59. Figure 2.24 Overall Strategy for Naming Chemical Compounds

71. Chemical Naming pp : P = cation Q = anion

72. More Names and formulas

77. Figure 2.25 Flowchart for Naming Acids pp