This lecture talks about Phases of Matter, Phase Changes, Uniqueness of Water, Intermolecular Forces, Bonding Forces, Non-bonding forces, Ionic Bonding Forces, Metallic Bonding Forces, Ion-Dipole Forces, Dipole-Dipole Forces, Dipole-Induced Dipole Forces, Dispersion Forces, Crystalline Solids, Amorphous Solids, and Network Covalent Solids.