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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: 

  Text Search:       

Periodic Tables from the year 1980:

1980   Periodic RoundTable
1980   Contemporary Elements Periodic Table

Year:  1980 PT id = 158

Periodic RoundTable

Gary Katz says: "The Periodic RoundTable is a unique three-dimensional model of the Periodic Table, an elegant spatial arrangement of the chemical elements that is both symmetrical and mathematical. It is the ultimate refinement of Mendeleev's scheme, one that will take us into the twenty-first century and beyond. The Periodic RoundTable possesses such a high degree of order because it is based exclusively on the system of ideal electronic configuration, which in turn is the basis of periodicity among the elements. In the Periodic RoundTable the electron shells are filled in the same order as the elements themselves appear, demonstrating a holistic relationship between the chemistry of the elements and the orbital descriptions of their electrons."

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Year:  1980 PT id = 322

Contemporary Elements

A 1980 periodic table (with updated 'modern revisions') by Joseph Di Gregorio that claims to show the "Contemporary Elements".

Click here to see the full size version:

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What is the Periodic Table Showing? Periodicity

© Mark R. Leach Ph.D. 1999 –

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