aromatic compounds

outlines
what is benzene
structure of benzene
aromaticity
nomenclature
natural resources of aromatic compounds
relation of petroleum and aromatic compounds
preparation of aromatic compounds
physical properties
chemical properties ( reaction of benzene)
elecrophilic aromatic substitution reaction
is benzene show aromatic nucleophilic substitution reaction ?
benzene has pi electrons in its structure but it does exhibit addition reaction why and explain?
what is role of resonance in benzene stability
further topics i will display latter