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.
Monroe & Turner's Spiral
Monroe and Turner's spiral, in which they correctly place the actinides. Information supplied by Philip Stewart.
Ref. is C J Monroe and W D Turner A new Periodic Table of the Elements, J Chem Ed, 3, 1058-65, 1926
© Mark R. Leach 1999-
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