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: Dr Mark R Leach.
Use the buttons below to select from the 1000+ Periodic Tables in the database:
Discovery of Phosphorus
Phosphorus, atomic number 15, has a mass of 30.974 au.
Phosphorus exists in several allotropic forms including: white, red and black.
Phosphorus was first isolated in 1669 by H. Brand.
© Mark R. Leach 1999-
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