Models are great, except they're also usually inaccurate. In this episode of Crash Course Chemistry, Hank discusses why we need models in the world and how we can learn from them... even when they're almost completely wrong. Plus, Lewis Structures! -- Table of Contents Models :06 Linus Pauling & The Bonding Model 9:16 Lewis Dot Structures 4:27 Ionic Bonds 5:30 Covalent Bonds 6:10 Double Bonds 7:17 Triple Bonds 8:14 -- Want to find Crash Course elsewhere on the internet? Facebook - www.facebook.com/YouTubeCrashCourse Twitter - www.twitter.com/TheCrashCourse Tumblr - thecrashcourse.tumblr.com Support CrashCourse on Subbable: subbable.com/crashcourse