1.1 Chemistry---the central science full of practicability and creativity 1.2 Features of chemical changes 1.3 History, revival and development of inorganic chemistry 1.4 How to study easily and efficiently inorganic
§9.2 Valence Bond Theory §9.5 Bond Parameters §9.4 Molecular Orbital Theory §9.3 Valence Shell Electron Pair Repulsion (VSEPR) Theory §9.1 Lewis structure Theory