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What is the Periodic Table Showing? Periodicity

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. The database holds information on periodic tables, the discovery of the elements, the elucidation of atomic weights and the discovery of atomic structure (and much, much more).

   Use the drop menus or search box (below) to Select or Search the 1400 entries in the database: 

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Periodic Tables from the year 1982 :

1982   Cement Chemist's Periodic Cube
1982   Periodiska Systems Rätta Form
1982   Meitnerium, Discovery of
Year:  1982 PT id = 49, Type = formulation 3D

Cement Chemist's Periodic Cube

Periodic table designed in the style of a cube by J. Francis Young, Professor of Civil and Ceramic Engineering, University of Illinois. This table was published by Instruments for Research and Industry and includes instructions for assembly into a 3-D model.

More information, including high resolution files, at the Science History Institute.

Thanks to René Vernon for the tip!

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Year:  1982 PT id = 451, Type = formulation

Periodiska Systems Rätta Form

Hanno Essén's Periodiska Systems Rätta formulation of the Periodic Table, published in the International Journal of Quantum Chemistry vol. XXI pp.717-726 (1982).

Essén's formulation is a variant of the Janet Left-Step formulation of 1928:

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Year:  1982 PT id = 889, Type = element

Discovery of Meitnerium

Mt

Meitnerium, atomic number 109, has a mass of 276 au.

Synthetic radioactive element.

Meitnerium was first observed in 1982 by G. Münzenberg, P. Armbrusteret al.

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What is the Periodic Table Showing? Periodicity

© Mark R. Leach Ph.D. 1999 –

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