Introduction and Review

Aj. Pikulthong Chaimongkol

1 Chemical bonds

2Chemical formulas

3 Bond dissociation

4 Polar and Dipolemomen

5 Intermolecular forces

6 Isomerism

Chemical bonds

1. Ionic bonds

2. Covalent bonds

Chemical bonds (cont.)

single bonds

double bonds

triple bonds

1 bond

2 bond

3 bond 4 bond

Lone pair electron

Chemical formulas

1. Molecular formula

H20, C2H6

2. Structural formula

Chemical formulas (cont.)

Line-Angle formulas

Chemical formulas (cont.)

Bond dissociation

1. Heterolysis

2. Homolysis

Polar covalent bond

Ex

Dipolemoment

Intermolecular forcesDipole-Dipole forces

Van der waals forces

Hydrogen bonding

Intermolecular forces (cont.)

Effect of Hydrogen bond Boiling point

Solubility

Isomerism

C2H6O

methanol

dimethylether

C4H10

IUPAC names