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
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