1. Introduction and Review Aj. Pikulthong Chaimongkol

2. 1 Chemical bonds 2 Chemical formulas 3 Bond dissociation 4 Polar and Dipolemomen 5 Intermolecular forces 6 Isomerism

3. 1. Ionic bonds 2. Covalent bonds

4. single bondsdouble bondstriple bonds 1 bond 2 bond 3 bond 4 bond Lone pair electron

5. 1. Molecular formula H 2 0, C 2 H 6 2. Structural formula

6. Line-Angle formulas

8. 1. Heterolysis 2. Homolysis

9. Ex

11. Dipole-Dipole forces Van der waals forces

12. Hydrogen bonding

13.  Boiling point  Solubility

14. C2H6OC2H6O methanoldimethylether C 4 H 10