9.1 The ionic radii ratio and the coordination polyhedra of ions 9.2 The crystal structures of Some typical ionic compounds 9.3 Lattice energy 9.4 Ionic radii 9.5 The Pauling rule of ionic crystal structure 9.6 Structural chemistry of silicates 9.7 Crystals of Functional Materials
§5.1 Theory of hybrid orbital and atomic orbital hybridization §5.2 Valence Shell Electron-Pair Repulsion (VSEPR) Model §5.3 Hückel molecular orbital theory and conjugated system §5.4 Delocalized molecular orbital theory §5 The symmetry of molecular orbital and symmetry rules for molecular reactions
2.1 The Schrödinger equation and its solution for one-electron atoms 2.2 The physical significance of quantum number 2.3 The wave-function and electron cloud 2.4 The structure of manyelectron atoms (multi-electron atoms) 2.5 Atomic spectra and spectral term