Vision Learning
Visionlearning: Chemistry: The Nature of the Chemical Bond
This site talks about ionic, polar covalent, and non-polar covalent bonding.
CK-12 Foundation
Ck 12: Physical Science: Chemical Bond
[Free Registration/Login may be required to access all resource tools.] Definition of a chemical bond, why they form and the different types.
University of Florida
University of Florida: General Chemistry I: Chemical Bonding
Notes on covalent bonding, bond length, bond energies, Lewis dot structures, and percent ionic character. Colorful graphics.
Science Struck
Science Struck: Characteristics of Ionic Bonding
Explains what chemical bonds are and how they form, the three most common types, and the characteristics of ionic bonds. Gives an example of ionic bonding.