Atomic Hook-Ups - Types of Chemical Bonds: Crash Course Chemistry #22 - Duration: 9:46. CrashCourse 969,404 views 9:46 ... Polarity - Duration: 5:12. Brightstorm 192,599 views 5:12 Polar Covalent, Nonpolar Covalent & Ionic Bonds - Duration: 15:27. ...