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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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Periodic Table formulations from the year 1870:

1870   Meyer's Periodic Table
1870   Baumhauer's Spiral
1870   Baker's Electronegativity Table


1870

Meyer's Periodic Table. This is rather similar to the Mendeleev attempt at the same time.

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1870

Baumhauer's Spiral

From Quam & Quam's 1934 review paper.pdf

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1870

Baker's Electronegativity Table

Baker's electronegativity table of 1870 differs from Berzelius' listing of 1836 only by the addition of the newly discovered elements. Page 280 and ref. 5 from Bill Jensen's: Electronegativity from Avogadro to Pauling Part II: Late Nineteenth- and Early Twentieth-Century Developments, J. Chem. Educ., 80, 279-287 (2003):

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What is the Periodic Table Showing? Periodicity

© Mark R. Leach Ph.D. 1999 –


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