Periodic Table |
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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).
| Year: 1949 | PT id = 921, Type = formulation 3D |
Riggli's Volumetric Model of the Periodic Table
From the Russian Book "100 Years of Periodic Law of Chemical Elements", Nauka 1969, p.87.
The caption says: "Volumetric Model of 18-period Long System of D.I.Mendeleev." after Riggli (1949).

Thanks to Larry T for the tip!
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| What is the Periodic Table Showing? | Periodicity |
© Mark R. Leach Ph.D. 1999 –
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