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The INTERNET Database of Periodic Tables

There are thousands of periodic tables in web space, but this is the only comprehensive database of periodic tables & periodic system formulations. If you know of an interesting periodic table that is missing, please contact the database curator: Mark R. Leach Ph.D.

Use the drop menus below to search & select from the more than 1300 Period Tables in the database: 

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Year:  1956 PT id = 1216, Type = formulation

Sistema Periodico de Los Elementos (after Antropoff)

Mario Rodríguez Peña, PhD translates the spanish text on the Archive.org website:

"Periodic System of Elements, type Antropoff., 1956 Antropoff's periodic table was designed in Bonn (Germany) in 1926: https://www.meta-synthesis.com/webbook/35_pt/pt_database.php?PT_id=26 It was disused after the WWII (1945) in most of the countries, except Spain. This was dated in 1956 because Mendelevium (101) was discovered and accepted by IUPAC in 1955 and in 1957, the element symbols of Argon (18), Xenon (54), Einstenium (99) and Mendelevium itself changed to the current Ar, Xe, Es and Md, respectively."

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What is the Periodic Table Showing? Periodicity

© Mark R. Leach Ph.D. 1999 –


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