| Chapter 3 Exercises and Comments | |||
| Sect. | Comments | 6th edition book | 5th edition book |
| 3.1 | Locate elements in the periodic table by group and period numbers. A periodic table will be given to you at exam items. | 2, 8 | 2, 8 |
| 3.2 | Cover. | 12, 14, 16 | 12, 14, 16 |
| 3.3 | Cover. | 18, 20, 22 | 18, 20, 22 |
| 3.4 | Cover. | 24 | 24, 30 |
| 3.5 | Classify elements into categories based on Figures 3.9,3.10 and 3.12. | 34, 36, 38 | 34, 36, 38 |
| 3.6 | Skip | ||