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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:  2019 PT id = 967, Type = formulation 3D

ElementBook Braille version of the AAE

From Roy Alexander of the AAE (Alexander Arrangement of the Elements):

"My [first] contribution to celebrate this Year of the Periodic Table is to reach out to folks who have yet to see what everyone's talking about, so they can get the feel of it: a 3D periodic table in Braille."

For the premise for this PT, here.

For your own model (with Braille) of the ElementBook: print*, cut out each part at the outside blue lines, etc.

The ElementBook Braille version of the AAE is in the beta-test phase for the rest of the year, so if any of you know of an aspiring chemist who would be willing to use it while learning (and keep me informed of that experience all year) send them to www.chemicalelementsystem.com/braille/

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What is the Periodic Table Showing? Periodicity

© Mark R. Leach Ph.D. 1999 –

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