Dipole Moment Amount of electrical charge x bond length. -Charge separation shown by Electrostatic Potential Map (EPM). Red indicates a partially negative region and blue indicates a partially positive region. Dipoles cancel ←十十→ 26+ 80:c:08 H H chlo omethane chloromethane Carbon dioxide Copyright 2005 Pearson Prentice Hall,Inc.Dipole Moment  Amount of electrical charge x bond length.  Charge separation shown by Electrostatic Potential Map (EPM).  Red indicates a partially negative region and blue indicates a partially positive region