The INTERNET Database of Periodic Tables

There are thousands of periodic tables in web space, but this is the only comprehensive database of periodic tables & periodic system formulations. If you know of an interesting periodic table that is missing, please contact the database curator: Mark R. Leach Ph.D.

Use the drop menus below to search & select from the more than 1100 Period Tables in the database:

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2013

Twin Spiral Pi Trinomial - Based Periodic Table

A Twin Spiral Pi Trinomial - Based Periodic Table by Bill Harrington, Founder/CTO of Rainforest Reactor Research and Temporal Dynamics Laboratory. For full size, click the image :

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What is the Periodic Table Showing? Periodicity

© Mark R. Leach Ph.D. 1999 –

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