The INTERNET Database of Periodic Tables
|2019 has been designated the International Year of the Periodic Table as it is the 150th Anniversary of the formulation of Mendeleev's Tabelle I|
A formulation adapted by Eric Scerri from tables developed by Thomas Bayley, Jørgen Thomsen and Neils Bohr that depicts the symmetrical nature of the periodic law.
Eric Scerri, The Evolution of the Periodic System, American Scientist, November-December issue, 1997, 546-553
|Periodic Table, What is it showing?||
© Mark R. Leach 1999-
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