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|
Ambrosis' Clasification Periodica de los Elementos
By Dr Raúl Julio Ambrosis, who taught Chemistry at the National University of La Plata in Argentina. The source is the Clasificación Periódica de los Elementos, Buenos Aires, Ediciones Marymar, 1977.
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© Mark R. Leach 1999-
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