Periodic Table

Web Elements     -  "This is the home page of WebElements, chemistry's periodic table (periodic chart) of the elements on the World-Wide Web. Find information about elements such as hydrogen, copper, gold, and uranium here." Web Elements has been a long-time favorite on the Internet as a quick resource reference to the periodic table!
AllRefer Encyclopedia - periodic table     -  "AllRefer.com reference and encyclopedia resource provides complete information on periodic table, Chemistry, General. Includes related research links."
American Elements Periodic Table     -  "This website describes the research and industrial uses of each of the elements, as well as over 200 nanoparticles and isotopes, which are discussed and characterized with applications. There are also special sections, such as on fuel cells and ultra high purity materials."
Chemical Elements.com     -  "An Interactive Periodic Table of the Elements - An up-to-date periodic table with detailed but easy to understand information."
Chemicool Perodic Table     -
The Comic Book Periodic Table of the Elements     -  "This site contains comic book images linked to the chemical elements via the periodic table. Comics include Uncle $crooge, Metal Men, Metamorpho, Batman, Fantastic Four, Superman, and many more."
Los Alamos National Laboratory: Periodic Table of the Elements     -  "The Chemistry Division's Periodic Table describes the history, properties, resources, uses, isotopes, forms, costs, and other information for each element."
The Pictorial Periodic Table     -  "This website is an interactive periodic table with a comprehensive database of element properties, which can be searched and collated in novel and useful ways. Pictures of elements and compounds are being taken and collected into the database. Periodic table art, music and educational games are available. A huge listing of other periodic tables on the internet is on this website, sorted and annotated."