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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: 

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Year:  2019 PT id = 1019, Type = formulation 3D

Stewart's Quantahedron Formulation

From Philip Stewart, here & here, comes a three dimensional Quantahedron Formulation.

Philip writes:

"The Quantahedron is based on Tsimmerman's Adomah cube, realised in transparent plastic, in the usual order in which Z values are read, printed on separable blocks so that it can be assembled."

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What is the Periodic Table Showing? Periodicity

© Mark R. Leach Ph.D. 1999 –


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