Gran base de datos y archivo de tablas periódicas http://t.co/YQGHzwAR #química No busques más.
August 27, 2012
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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 .
http://www.meta-synthesis.com/webbook/35_pt/pt_database.php?Button=All