Chemical+Bonding

Metallic Bond (Socratica) (video) (4.5 min)
Covalent Bonds (Polar and Nonpolar) (Socratica) (video) (6.5 min)

Ionic Bonds (Socratica) (video) (5 min)

Ionic Bonds vs Covalent Bonds (which is stronger?) (Socratica) (video) (5.5 min)

Ionization Energy, Electron Affinity video (6 min)

Electron Affinity vs. Electronegativity vs. Ionization Energy video (5 min)