The INTERNET Database of Periodic Tables
There are hundreds 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.
Górski's Atomic Core Based Periodic System
From Go?rski A., Pol. J. Chem., 79, 1435 (2005), an atomic core based periodic system of the chemical elements. In this version of the Periodic Table, He is placed close to H and simultaneously above Be (and not above Ne):
© Mark R. Leach 1999-
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