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.
Glen T. Seaborg's g-Block Formulation
An long periodic table developed by Glenn T. Seaborg in 1969 containing the yet-to-be-discovered g-block elements can be constructed. For the full version and discussion, go to Jeries Rihani's pages, here and here.
© Mark R. Leach 1999-
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counter started in 2011