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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 1100 Period Tables in the database:

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1996

Concept of Chemical Periodicity

Concept of Chemical Periodicity: from Mendeleev Table to Molecular Hyper-Periodicity Patterns E. V. Babaev and Ray Hefferlin

The paper "The Concepts of Periodicity and Hyper-Periodicity: from Atoms to Molecules" was published as a the book: Concepts in Chemistry: a Contemporary Challenge. (Ed. D.Rouvray). Research Studies Press, London, 1996, pp. 24-81.

The website, here, is the original text of this paper (copyright by the authors).

The text deals with periodicity in isotopes, atoms and materials.

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What is the Periodic Table Showing? Periodicity

© Mark R. Leach Ph.D. 1999 –


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