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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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1967

Sanderson's Periodic Table of the Chemical Elements

Sanderson's 1967 formulation has both the d-block elements and the f-block elements totally removed from the body of the table thus allowing the elements in the Major Groups of Periods 4, 5 and 6 to be grouped with the "typical" elements of Periods 2 and 3.

The Inner Transition elements are from Ce to Yb, i.e., in this 'rational' arrangement there are only thirteen lanthanide metals.

From Michael Laing's paper: A Revised Periodic Table with the Lanthanides Repositioned, Found. Chem. (2005) 7: 203-233

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What is the Periodic Table Showing? Periodicity

© Mark R. Leach Ph.D. 1999 –


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