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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 1100 Period Tables in the database:

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1905

Werner's Arrangement

Werner's Arrangement is the first modern looking PT formulation. It appeared before the structure of the atom was known, before the importance of atomic number was recognised and before quantum mechanics had been developed.

Berichte der Deutschen Chemischen Gesellschaft (1905), 38, 914-21 and J. Chem. Soc., Abstr. 88, II, 308-9 1905:

From Quam & Quam's 1934 review paper.pdf

Eric Scerri comments that the interesting features are:

 

Thanks to Eric Scerri for the tip!
See the website EricScerri.com and Eric's Twitter Feed.

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What is the Periodic Table Showing? Periodicity

© Mark R. Leach Ph.D. 1999 –


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