Intermolecular Forces(2) H Na H lon-Dipole forces Dipole-Dipole forces 离子和偶极 偶极和偶极 Dipole-Induced Dipole Forces Dipole-Induced Dipole Forces 8 8-8 0----0 0=0 0 H 8 Induced dipole 偶极和诱导偶极离子和偶极 偶极和偶极 偶极和诱导偶极