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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 search & select from the 1400 entries in the database: 

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Year:  1904 PT id = 1368, Type = structure

Thomson and the Plum Pudding Model of the Atom

Thomson, J. J. On the Structure of the Atom. Philosophical Magazine, 7, 237–265 (1904). https://zenodo.org/records/1430726

Wikipedia:

"The view that the atoms of the elements consist of a number of negatively electrified corpuscles enclosed in a sphere of uniform positive electrification, suggests, among other interesting mathematical problems, the one discussed in this paper, that of the motion of a ring of n negatively electrified particles placed inside a uniformly electrified sphere."


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What is the Periodic Table Showing? Periodicity

© Mark R. Leach Ph.D. 1999 –

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