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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 1300 Period Tables in the database: 

  Text Search:       

Periodic Tables from the year 2001:

2001   Mayan Periodic Table
2001   Vertical Periodic Table
2001   Joke, Periodic Table
2001   Desserts, Periodic Table of
2001   Analytical Chemist's Periodic Table
2001   Haiku Periodic Table
2001   Muradjan's Universal Periodic System
2001   ElemenTouch Periodic Table
2001   Funny Periodic Table
2001   Wikipedia Periodic Table
2001   Gorbunov and Filippov's Doubled Periodic Table

Year:  2001 PT id = 34

The Mayan Periodic Table

The Mayan Periodic Table of Elements, named for its similarity to the ancient Mesoamerican calendar, is based on electron shells. The shells are shown as concentric circles. Each row in the tabular form is shown as a ring.

Read more and buy the poster and T-Shirts at

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Year:  2001 PT id = 43

Vertical Periodic Table

A vertical periodic table from

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Year:  2001 PT id = 57

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Year:  2001 PT id = 97



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Year:  2001 PT id = 138

Analytical Chemist's Periodic Table

This PT gives information about storage and analysis of the elements.

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Year:  2001 PT id = 336

Haiku Periodic Table

The excellent Periodic Table of Haiku has re-emerged from the 'Way Back" web-archive website.


A second 2009/10 Periodic Table of Haiku, from the University of Minnesota is available here.

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Year:  2001 PT id = 353

Muradjan's Universal Periodic System

Muradjan's Universal Periodic System is a variation of the Janet formulation, however, it is worth visiting the web page and scrolling down as there is much interesting material:

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Year:  2001 PT id = 511

ElemenTouch Periodic Table

Yoshiteru MAENO writes:

"I am a Physics Prof. at Kyoto University, Japan. My field of study is experimental superconductivity. I recently found the work by Schaltenbrand in 1920 on your website. One might say that Elementouch is a re-invention of Schaltenbrand's, but by arranging the element names helically on three cylinders, its usefulness has been improved":

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Year:  2001 PT id = 555

Funny Periodic Table

By Eric J Stone a Funny Periodic Table of chemical reactivity.

"This periodic table is unique -- it is informational, educational, and humorous at the same time. Arranged in the standard Mendeleev layout, this table depicts the elements interacting with each other in many interesting ways. The jokes are designed to impart useful information within the context of humor. Ideal for science buffs of all ages -- this is truly the periodic table for the masses. It can be appreciated by children and professionals alike. Children especially like the table, which draws them in with its funny vignettes. This poster is based on the original art of Slavomir Koys. The poster makes a great promotional item. Use it to promote your schools chemistry club or as science fair prizes":

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Year:  2001 PT id = 1025

Wikipedia Periodic Table

The Wikipedia Periodic Table pages are astonishing, giving hyper-linked data about:

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Year:  2001 PT id = 1062

Gorbunov and Filippov's Doubled Periodic Table

Gorbunov, A. I., Filippov, G. G.: Fine Structure of D. I. Mendeleev Periodic Table: secondary periodicity, early and late elements. Khim-ya Tekhnol. 11, 43–45 (2001). (in Russian)

Naum S. Imyanitov (Foundations of Chemistry) writes:

"The two-table design is of particular interest. Atoms with odd n+l are located in the upper table, and the ones with even n+l are placed in the bottom table (Tables 5). The elements are divided by a vertical line of symmetry to the early and late ones both in the upper and bottom tables. The advantage of Tables 5 is a clear demarcation into subsets, with each subset having its own separate place in the table. The drawback is directly related to this advantage: this table does not reflect the similarity between members of different subsets."

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What is the Periodic Table Showing? Periodicity

© Mark R. Leach Ph.D. 1999 –

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