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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 1892:

1892   Bassett's Vertical Arrangement
1892   Bassett Dumb-Bell Form


1892

Bassett's Vertical Arrangement

Bassett's Vertical Arrangement is actually designed to be a three dimensional formulation. Quam & Quam's review paper states:

"This table resembles Mendeléeff's vertical arrangement. The Cs period, however, starts far above the horizontal line of K and Rb, thereby giving space to the known and predicted elements of that period. The alkali metals appear in three horizontal lines. Co and Ni are arranged in order of their atomic weights.

"Bassett suggested cutting out the table and rolling it onto a cylinder of such circumference that similar elements would fall in line in Groups. For instance, Li, Na, K, Rb, and Cs would then fall on a line parallel to the axis of the cylinder."

From Quam & Quam's 1934 review paper.pdf

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1892

Bassett Dumb-Bell Form

The Basset 'dumb-bell' formulation, ref. H. Basset, Chem. News, 65 (3-4), 19 (1892).

The image is from Concept of Chemical Periodicity: from Mendeleev Table to Molecular Hyper-Periodicity Patterns E. V. Babaev and Ray Hefferlin, here.

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What is the Periodic Table Showing? Periodicity

© Mark R. Leach Ph.D. 1999 –


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