ChemDex (University of Sheffield) -- sponsors a large collection of periodic table links (including some just for fun!). Web Elements version 2 is a greatly expanded compendium of information
Periodic Table of Condiments - a humorous look at condiments and their shelf lives in a periodic table format
Periodic Table of the Elements -- Los Alamos
WebElements -- The first periodic table ever on the web.
Virtual Library -- Links to over 50 periodic tables all with different themes
Last updated: January 16, 2008