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 Nobelium
Nobelium, atomic number 102, has a mass of 259 au.
Synthetic radioactive element.
Nobelium was first observed in 1966 by E. D. Donets, V. A. Shchegolev and V. A. Ermakov.
© Mark R. Leach 1999-
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