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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: 

  Or, Search by Text String:       
Year:  2013 PT id = 611, Type = formulation misc

Underground Map of the Elements

By Dr Mark Lorch of the University of Hull, an Underground Map of the Elements.

From here: "My son loves trains. So I came up with a train related twist to an inspection of the periodic table. We sat and cut up a copy of the table and then rearranged each element as a 'station' on an underground rail system. Each line represents a characteristic shared by the elements on that line":

Underground Map of the Elements

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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This free, open access web book is an ongoing project and your input is appreciated.