An interactive table with sections on physical properties, orbitals, isotopes and links to Wikipedia entries, photos and videos.

A project of the University of Nottingham, this is a collection of short videos on individual elements.

Another interactive table. You click on the element to find out physical properties, history, proper pronunciation, uses, abundance in humans and in the environment and much more.

The ACS Guide provides details on all elements of writing and citing in ACS style.

Atomic Weights and Isotopic Compositions with Relative Atomic Masses - From the National Institute of Standards and Technology: The atomic weights are available for elements 1 through 112, 114, & 116.

A reaction chemistry information system that extends traditional references by providing hyperlinks between related information.

A new molecule has been added every month since 1996. Each molecule has a one to two page overview along with visual aide, references, and molecule viewing options. Fun and educational!