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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 1300 Period Tables in the database: 

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Year:  1939 PT id = 627, Type = formulation spiral

Periodic Chart in Spiral Form

Periodic Chart in Spiral Form from K. Gordon Irwin, Periodicity Patterns of The Elements J.Chem.Ed. 1939 16 (7), 335 DOI: 10.1021/ed016p335

Thanks to René Vernon for the reference:

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What is the Periodic Table Showing? Periodicity

© Mark R. Leach Ph.D. 1999 –


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