Internet Database of Periodic Tables
There are thousands of periodic tables in web space, but there is only one comprehensive database of periodic tables & periodic system formulations. If you know of an interesting periodic table that is missing, please contact the database curator: Dr Mark R Leach.
Use the buttons below to select from the 1000+ Periodic Tables in the database:
Bassett Dumb-Bell Form
The Basset 'dumb-bell' formulation, ref. H. Basset, Chem. News, 65 (3-4), 19 (1892).
The image is from Concept of Chemical Periodicity: from Mendeleev Table to Molecular Hyper-Periodicity Patterns E. V. Babaev and Ray Hefferlin, here.
© Mark R. Leach 1999-
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This free, open access web book is an ongoing project and your input is appreciated.