§9.2 Valence Bond Theory (VB) -9.2.1 The Essence and Characteristics of Covalent Bond 9.2.2 The Types of Covalent Bond 9.2.3 Hybrid Orbits 9.2.1 The Essence and Characteristics of Covalent Bond §9.2 Valence Bond Theory (VB) 9.2.3 Hybrid Orbits 9.2.2 The Types of Covalent Bond