Bond Formation lonic bonding:electrons are transferred. Covalent bonding:electron pair is shared. HO:H -C Na+:CI nonpolar polar ionic bond covalent bond covalent bond Copyright2005 Pearson Prentice Hall.Inc. => Chapter 1 9 Chapter 1 9 Bond Formation • Ionic bonding: electrons are transferred. • Covalent bonding: electron pair is shared. =>