Use this resource to understand polar covalence in ion-derived solids.

Did you ever wonder how or why atoms bond together? This interactive tutorial sheds some light on why bonds form and the difference between ionic and covalent bonds.

A 20 question quiz testing knowledge of ionic and covalent bonding.

This digital textbook covers core chemistry concepts and includes interactive features, real-world examples, and videos.

This site, which is a personal site from Kimball's Biology, provides an overview with multiple examples of electronegativity.

[Free Registration/Login may be required to access all resource tools.] A complete, web-based, multi-media textbook covering a wide variety of Chemistry concepts.