Periodic Table |
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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).
Periodic Tables from the year 1960 :
| Year: 1960 | PT id = 53, Type = formulation 3D |
Unfortunately, this wonderful formulation from a Union Carbide advertisement (1960) does not work; it is not (in this author's opinion) possible to wrap the PT onto a sphere:
| Year: 1960 | PT id = 444, Type = formulation data |
Pauling's Complete Electronegativity Scale
From The Nature of The Chemical Bond, 3rd Ed, pp 93, Pauling gives a periodic table showing the electronegativity of the elements.
Notice how the d block appears between groups 3 and 4 (13 & 14), rather than between groups 2 and 3 (2 & 13):

| Year: 1960 | PT id = 769, Type = formulation data |
Sistema Periodico Degli Elementi
An Italian Periodic Table in Science Museum, Turin (Estimated date 1960).
Note how the noble gases (as Group 0) are shown down the left hand side of the table:
Thanks to Eric Scerri for the tip!
See the website EricScerri.com and Eric's Twitter Feed
| Year: 1960 | PT id = 1012, Type = formulation |
International Rectifier Corporation Periodic Table
International Rectifier Corporation was an American power management technology company manufacturing analog and mixed-signal ICs, advanced circuit devices, integrated power systems, and high-performance integrated components for computing. It is now part of Infineon Technologies.
The periodic table below was produced in the late 1950s to early 1960s. The earliest version we can find on the web dates from 1960.
Thanks to René for the tip!
| Year: 1960 | PT id = 1076, Type = formulation |
Asimov's Periodic Table of The Elements
Harry F. Tasset writes:
"As a Professor of Bio-Chemistry, Isaac Asimov wrote many volumes. One of the most interesting is The Intellegent Man's Guide to Science in which the attached periodic table appears: pages 154-155.
"The table suggests that there are still missing elements in the middle, not at the end.
"Published in 1960, this would have been a break with the thinking of most chemists and nuclear physicist of that time because there was no acceptable reason for their existence. My personal thoughts and research has lead me to the conclusion that Professor Asimov intended this to be a faithfull re-construction of the Mendeleev tables. When one takes the time to re-construct the Mendeleev table there are indeed empty spaces and more than just four."

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| What is the Periodic Table Showing? | Periodicity |
© Mark R. Leach Ph.D. 1999 –
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