The General Chemistry Virtual Textbook, or Chem 1, is broken into several sections covering various aspects of topics related to chemistry. This section deals with the shared-electron covalent bond and related topics such as the octet...

[Free Registration/Login may be required to access all resource tools.] In the following online tutorial students will be able to determine the number of valence electrons for any element and draw an electron dot diagram for any atom....

This slide show explains the rules for writing Lewis structures and then demonstrates an example. It then provides a practice example for the student to try.

This slide presentation contains a few slides that will be useful for students learning to write Lewis structures. A discussion of multiple bonds is included, and clear examples are shown.

An excellent lesson on writing Lewis structures. Examples shown include ammonium ion, carbon dioxide and the carbonate ion.

[Free Registration/Login may be required to access all resource tools.] In this lesson, students learn ways to predict what type of ion a given element is likely to form.

Explains what covalent bonds are and the difference between them and ionic bonds. Discusses the properties of polar and non-polar covalent bonds, and single and multiple covalent bonds, and gives analogies and examples of how covalent...

Brief rules for writing Lewis structures for simple compounds. Some examples are included.

This colorful page goes over the proper techniques for writing Lewis structures for elements. This is a great place to begin learning how to write Lewis structures. When you are ready for a more advanced lesson, follow the link to learn...

This lesson will demonstrate how to draw a Lewis dot diagram for a molecule that has single bonds. It is 2 of 2 in the series titled "Lewis Dot Diagrams of Molecules - single bonds."

Notes on covalent bonding, bond length, bond energies, Lewis dot structures, and percent ionic character. Colorful graphics.

This lesson will demonstrate how to draw a Lewis dot diagram for a molecule which has a double bond. It is 2 of 2 in the series titled "Lewis Dot Diagrams of Molecules: Double Bonds."

This lesson will demonstrate how to draw a Lewis dot diagram for a molecule which has a triple bond. It is 2 of 2 in the series titled "Lewis Dot Diagrams of Molecules: Triple Bonds."

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.