The INTERNET Database of Periodic Tables
There are hundreds of periodic tables in web space, but there is only one comprehensive database of periodic tables & periodic system formulations. If you know of an interesting periodic table that is missing, please contact the database curator: Dr Mark R Leach.
Cupcakes, Periodic Table
From Kayla N. Green, Assistant Professor of Chemistry (Texas Christian University) comes a periodic table constructed from cupcakes baked for Chemistry Week 2012:
© Mark R. Leach 1999-
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counter started in 2011