Chapter 8 Basic Concepts of Chemical Bonding 8.I Chemical Bonds 8.2 Ionic bond, 8.3 Covalent Bonding 8.4 Bond polarity electronegativ ty 8.5 Lewis StructureChapter 8 Basic Concepts of Chemical Bonding 8.1 Chemical Bonds 8.2 Ionic bond, 8.3 Covalent Bonding 8.4 Bond polarity & 8.4 Bond polarity & electronegativity electronegativity 8.5 Lewis Structure