The database is updated weekly and the service is free. Enhanced information on chemical patents is also provided. The Chemicool Periodic Table is a clickable map of the Periodic Table of Elements. Each element profile includes information on states, energies, reactions, appearance and other related statistics. This collection of links is to maps, articles, environmental servers and other chemistry related sites.
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An Interactive Guide to Chemistry Virtual chemistry textbook for high school students. Includes a periodic table of the elements. A Clone A guide to cloning, with a discussion of moral issues, a cloning timeline and an online forum. Features animations, interactive demos and a quiz. Created by three Texas students.