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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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Periodic Table formulations from the year 1934:

1934   Brazilian Version of The Hubbard Periodic Chart Of The Atoms
1934   Quam & Quam's Graphical Representations of The Elements
1934   Romanoff's System
1934   Leningrad Monument To The Periodic Table
1934   White's Periodic Table


1934

Brazilian Version of The Hubbard Periodic Chart Of The Atoms

A Brazilian Version of the American classic Henry Hubbard Periodic Chart Of The Atoms from a lecture theater in Rio, rediscovered by Martyn Poliakoff of PeriodicVideos.com and The University of Nottingham. From the early 1930s:

The current Sargent Welch version of the Henry Hubbard Periodic Table:

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1934

Quam & Quam's Graphical Representations of The Elements

Short Periodic Tables.pdf
Medium Periodic Tables.pdf
Spiral, Helical & Misc Periodic Tables.pdf

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1934

Romanoff's System

From Revue Scientifique 1934, V. Romanoff's paper (pages 661–665) Le Système Périodique de Mendéléeff Par Représentation Graphique.

Dr. Erik Strub writes:

"The article's Fig. 1 is the first [formulation] (to my knowledge) which contains a "classical" representation of the periodic system in which an Actinoide series is placed beneath the Lanthanoides and not beneath the d block elements:



Romanoff's System of 1934 (from van Spronsen):

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1934

Leningrad Monument To The Periodic Table

Leningrad monument to the periodic table, located near to the main chamber of weights and measures, 1934 (from van Spronsen):

From Wikipedia:

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1934

White's Periodic Table

The periodic table of White shows the normal state electronic configurations, from H.E. White. Introduction to Atomic Spectra. New York: McGraw-Hill, 1934,
p. 85, Table 5.4..

Helium is clearly associated with H, and placed above Be in accord with the s2 electron configuration of the free atom.

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What is the Periodic Table Showing? Periodicity

© Mark R. Leach Ph.D. 1999 –


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