Internet Database of Periodic Tables
There are thousands of periodic tables in web space, but there is only one comprehensive database of periodic tables & periodic system formulations. If you know of an interesting periodic table that is missing, please contact the database curator: Dr Mark R Leach.
Use the buttons below to select from the 1000+ Periodic Tables in the database:
The 10 Periodic Tables most recently added to the database:
International Year of the Periodic Table with Eric Scerri
A YouTube video about IUPAC's International Year of the Periodic Table:
Mendeleev 150 is the 4th International Conference on the Periodic Table. The event welcomed nearly 300 guests from over 30 countries and has become one of the key events of IUPAC's International Year of the Periodic Table.
Samanez's Binodic Periodic System, New Mathematical Paradigm Poster
Julio Antonio Gutierrez Samanez (Master's student in chemical engineering at the San Antonio Abad National University of Cusco, Peru) presented a poster at the 4th International Conference on the Periodic Table arranged by IUPAC, Saint Petersburg, Russian Federation, July 2019. See the high resolution .PDF file.
Hardware, Periodic Table of
From This Into That – by Jim Rosenau – comes a Periodic Table of Hardware that rather cleverly uses the usual element symbols:
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:
Bloomberg Businessweek: Why the Periodic Table of Elements Is More Important Than Ever
A Bloomberg Businessweek article on the chemical elements: Mendeleev's 150-year-old periodic table has become the menu for a world hungry for material benefits. (This story is from Bloomberg Businessweek's special issue The Elements.)
Bloomberg Businessweek Special Issue: The Elements
Using state of the art  web graphics, and packed with interesting business stories:
Where Mendeleev Was Wrong
A paper by Gábor Lente, Where Mendeleev was wrong: predicted elements that have never been found, from ChemTexts https://doi.org/10.1007/s40828-019-0092-5.
As is well known, Mendeleev sucessfully predicted the existance of several elements, but he was not always correct.
Mazurs' Redrawing of Stedman's Formulation
An spiral formulation by Mazurs, cited as being after Janet (1928). However, it is actually, it is after Stedman (1947).
In an article Bull. Hist. Chem., VOLUME 34, Number 2 (2009) O.T. Benfey writes:
Mazurs (p. 77) writes:
Meyer's NYT Graphic
A nice graphic by Alex Eben Meyer in the New York Times accompanying an article about the periodic table and some of Sir Martyn Poliakoff ideas.
© Mark R. Leach 1999-
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