1. Chapter 20 Organic Chemistry

2. EXIT Copyright © by McDougal Littell. All rights reserved.2 Figure 20.1: Methane is a tetrahedral molecule.

3. EXIT Copyright © by McDougal Littell. All rights reserved.3 Figure 20.2: The Lewis structure of ethane.

4. EXIT Copyright © by McDougal Littell. All rights reserved.4 Figure 20.2: A space-filling model of ethane.

5. EXIT Copyright © by McDougal Littell. All rights reserved.5 Figure 20.2: A ball-and-stick model of ethane.

6. EXIT Copyright © by McDougal Littell. All rights reserved.6 Figure 20.3: Structure of propane.

7. EXIT Copyright © by McDougal Littell. All rights reserved.7 Figure 20.3: Structure of butane.

8. EXIT Copyright © by McDougal Littell. All rights reserved.8 Figure 20.4: Structural isomers of C 4 H 10.

9. EXIT Copyright © by McDougal Littell. All rights reserved.9 Figure 20.5: Energy sources used in the United States.

10. EXIT Copyright © by McDougal Littell. All rights reserved.10 Figure 20.6: Ball-and-stick model of ethylene.

11. EXIT Copyright © by McDougal Littell. All rights reserved.11 Figure 20.7: Benzene C 6 H 6.

12. EXIT Copyright © by McDougal Littell. All rights reserved.12 Figure 20.8: Two Lewis structures for the benzene ring.

13. EXIT Copyright © by McDougal Littell. All rights reserved.13 Figure 20.8: Shorthand notation for benzene rings.

14. EXIT Copyright © by McDougal Littell. All rights reserved.14 Figure 20.9: The bonding in the benzene ring is a combination of different Lewis structures.

15. EXIT Copyright © by McDougal Littell. All rights reserved.15 Figure 20.10: Names of some common monosubstitut ed benzenes.

16. EXIT Copyright © by McDougal Littell. All rights reserved.16 Figure 20.13: Some carboxylic acids.

17. EXIT Copyright © by McDougal Littell. All rights reserved.17 Table 20.2

18. EXIT Copyright © by McDougal Littell. All rights reserved.18 Table 20.5