Created by John Emsley of the Royal Society of Chemistry (Great Britain), this is an online periodic table that presents the one-hundred and nine elements in a visual manner. The elements are presented along with...

This reference consists of an interactive periodic chart that provides information for most of the elements. Clicking on an element's symbol on the chart accesses the element's name, discoverer and date of discovery, as...

From the NIST Physics Laboratory Physical Reference Data Page, this new addition "provides access to the holdings of NIST Physics Laboratory online data organized by element." The index (accessible in frames, no-frames,...

This fantastic resource for college-level students of chemistry provides abundant images and explanatory text on molecules and molecular systems. The site's main provider is Richard Catlow, Director of the Davy Faraday...

From the University of Bristol's School of Chemistry, this site features a new molecule each month. For example, the molecule for April is Melatonin. Each molecule comes with a link to a Webpage from a university or...