Internet Database of Periodic Tables
There are thousands 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.
Use the buttons below to select from the 1000+ Periodic Tables in the database:
Discovery of Iodine
Iodine, atomic number 53, has a mass of 126.904 au.
Iodine exists as a black diatomic molecular solid, I2.
Iodine was first isolated in 1811 by B. Courtois.
© Mark R. Leach 1999-
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