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.
Russian MedFlower Periodic Table
Google Russian to English translation:
From Secology.Narod.RU: "Must also give up the basic heuristic principle of Mendeleev and follow him. Forget about the group, we will not argue with what period begins, but just consistently and continuously to build all the elements in a row in ascending order, and fold this series into a spatial helix, in the corporeal form, allowing the convergence of such chemical elements in the vertical..."
© Mark R. Leach 1999-
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counter started in 2011