Isomerism

1. 2 types of isomerism

1.1. Constitutional (structural) isomers

1.1.1. 3 Types

1.1.1.1. Functional isomers

1.1.1.2. Positional isomers

1.1.1.3. Skeletal isomers

1.2. Stereoisomers

1.2.1. 3 Types

1.2.1.1. Geometric isomers

1.2.1.1.1. Cahn-Ingold-Prelog priority Rules ( used to determine the priority of the atom in the compound)

1.2.1.2. Optical isomerism

1.2.1.2.1. Chirality (the symmetry of the molecule)

1.2.1.3. Conformational isomers

1.2.1.3.1. different types of illustration