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What is the Periodic Table Showing? Periodicity

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. The database holds information on periodic tables, the discovery of the elements, the elucidation of atomic weights and the discovery of atomic structure (and much, much more).

   Use the drop menus or search box (below) to Select or Search the 1400 entries in the database: 

  Or, Search by Text String:       
Year:  1936 PT id = 1406, Type = formulation

Japanese von Antropoff Format Periodic Table

An interesting Japanese periodic table sent to us by Sam Kidd (link: the Virtual Museum Project) who writes:

"From 1937 and used in Japanese high schools. The periodic table uses the von Antropoff format, and aside from the element data, it also has a data about the half-lives of known radioactive isotopes, physical constants, crystal structures, and much more. Notably it has the claimed elements masurium, illinium, alabamine, and virginium listed."

Click here (or the image) to enlarge.

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What is the Periodic Table Showing? Periodicity

© Mark R. Leach Ph.D. 1999 –

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