4.0.Introduction 4.1. kossel-Lewis Approach to Chemical Bonding 4.1.1. Octet Rule 4.1.2. Covalent Bond 4.1.3. Lewis Representation of Simple Molecules (The Lewis Structure) 4.1.4. Formal Charge 4.1.5. Limitations of the Octet Rule 4.2. Ionic or Electrovalent Bond 4.2.1. Lattice Enthalpy 4.3. Bond Parameters 4.3.1. Bond Length 4.3.2. Bond Angle 4.3.3. Bond Enthalpy 4.3.4. Bond Order 4.3.5. Resonance Structures 4.3.6. Polarity of Bonds 4.4. The Valence Shell Electron Pair Repulsion (VSEPR) Theory 4.5. Valence Bond Theory 4.5.1. Orbital Overlap Concept 4.5.2. Directional Properties of Bonds 4.5.3. Overlapping of Atomic Orbitals 4.5.4. Types of Overlapping and Nature of Covalent Bonds 4.5.4. Types of Overlapping and Nature of Covalent Bonds 4.5.5. Strength of Sigma and Pi Bonds 4.6. Hybridization 4.6.1. Types of Hybridization 4.6.2. Other Examples of sp3, sp2 and sp Hybridization 4.6.2. Other Examples of sp3, sp2 and sp Hybridization 4.6.2. Other Examples of sp3, sp2 and sp Hybridization 4.6.3. Hybridization of Elements Involving d Orbitals 4.7. Molecular Orbital Theory 4.7.1. Formation of Molecular Orbitals Linear Combination of Atomic Orbitals (LCAO) 4.7.2. Conditions for the Combination of Atomic Orbitals 4.7.3. Types of Molecular Orbitals 4.7.4. Energy Level Diagram for Molecular Orbitals 4.7.5. Electronic Configuration and Molecular Behavior 4.8. Bonding in some Homo nuclear Diatomic Molecules 4.9. Hydrogen Bonding 4.9.1. Cause of Formation of Hydrogen Bond 4.9.2. Types of H-Bonds
1.Some Basic Points of Chemistry 2.Structure of Atom 3.Classification of Elements and Periodicity in Properties 4.Chemical Bonding and Molecular Structure 5.States of Matter 6.Thermodynamics 7.Equilibrium 8.Redox Reactions 9.Hydrogen 10.The s-Block Elements 11. The p-Block Elements 12.Organic Chemistry - Some Basic Principles and Techniques 13.Hydrocarbons 14.Environmental Chemistry