ORGANIC CHEMISTRY Chapter 2 2, 3 Polar Covalent bonds H-CI a dipole Dipole moment(偶极矩) H-CI Department of Chemistry, Xiamen UniversityORGANIC CHEMISTRY Department of Chemistry, Xiamen University Chapter 2 2.3 Polar Covalent bonds H Cl δ− δ+ A dipole Dipole moment (偶极矩) H Cl