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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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1946

Achimof's System

Van Spronsen, on p. 157, says:

"Achimov's system took the form of a cross-section of a pyramid. He based his system on the principle that the lengths of the periods and the analogies in properties between the elements of these periods must be clearly demonstrated."

Achimov EI 1946 Zhur. Obshchei Khim., vol. 16, p. 961

Thanks to René for the tip!

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What is the Periodic Table Showing? Periodicity

© Mark R. Leach Ph.D. 1999 –


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