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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:       


The 10 Periodic Tables most recently added to the database:

1951   Kapustinsky's Structure of The System of Elements
2024   Social Issues, Periodic Table of
2001   Oliver Sacks, Uncle Tungsten: Memories of a Chemical Beyond
2020   Periodic Table of Rock, Metal And Other Elements
2019   International Year of the Periodic Table – Artwork Competition
2024   Elements of Fire & Light
2024   Classical Periodic Table
1954   New Periodic Table of the Elements Based on the Structure of the Atom
2020   Ziggurat Formulation
2024   Dufour’s Elementree in 2D by Vernon


Year:  1951 PT id = 1324, Type = formulation

Kapustinsky's Structure of The System of Elements

René Vernon writes:

Kapustinsky AF 1951, Structure of the periodic table of chemical elements (in Russian), Proceedings of the USSR Academy of Sciences, vol. 81, no. 1, pp. 47–50

Below the title Kapustinsky gives two equations that he says determine the structure of the system:

The legend at the bottom left is:

Kapustinsky refers to the periodic system of elements in terms of its emergence (proto-elements), formation (typical elements), and disintegration (synthetic elements). Kapustinsky refers to e, n, H, He as "proto-elements".

The electron and the neutron are not chemical elements but are elements in the sense of each being a rudiment, which means a beginning; an initial or imperfect form or stage. As Kapustinsky says, the properties of ordinary elements are not yet associated with them.

H and He can be considered "proto-elements" in the sense that they were the first building blocks from which heavier elements were later formed through nucleosynthesis in stars. Kapustinsky says that the system is thus:

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Year:  2024 PT id = 1323, Type = non-chem

Social Issues, Periodic Table of

By www.wearedorothy.com, a Periodic Tables of Social Issues - Signed Limited Edition A tabular display of the worst elements of humankind. 1st edition print of 100.

Click to enlarge:


Thanks to Vicci for the tip!

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Year:  2001 PT id = 1322, Type = review misc formulation

Oliver Sacks, Uncle Tungsten: Memories of Tungsten of a Chemical Beyond

René Vernon writes:

On the paperback cover of Oliver Sack's Uncle Tungsten (below) the periodic table shows a 16–wide set of elements at its base. This is quite unusual since this set is normally shown as being 15— or 14— elements wide. See, for example, the table found on the site of the International Union of Pure & Applied Chemistry which shows a 15–wide set of elements at its base.

It looks like the second pair are La and Ac, but what then are two immediately preceding elements?

I suspect they are probably the alkaline earth metals, Ba and Ra. This may be an homage to Mr Rare Earth^ aka Karl A. Gschneidner Jr (1930–2016), who wrote that:

...since Ba has a 4f06s2 configuration, these three elements are the first (Ba), mid (Eu), and end (Yb) members of the divalent 4f transition series.

The notion of 4f0 is not unprecedented; the IUPAC periodic table, with its 15-wide f-block presumably implies La as 4f0 5d1 6s2.

There is some good chemistry going on here, given the pronounced similarities between Ba and the lanthanides, and the alkaline earth metals generally with about 20 properties involved:

Kudos to Oliver.

^Pecharsky 2016

Sources

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Year:  2020 PT id = 1321, Type = misc

Periodic Table of Rock, Metal And Other Elements

From an Etsy Shop: Periodic Table of Music Poster Print

Thanks to Marcus for the tip!

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Year:  2019 PT id = 1320, Type = formulation misc

International Year of the Periodic Table – Artwork Competition

From Chemistry A European Journal the results of a Periodic Table artwork competition, where the full stories can be read.

First Place: Víctor Duarte Alaniz from Mexico City with "Cycles in Space, In Time... and in Chemistry"

Second Place: Yuliia Oleksii from Vinnytsia, Ukraine "Noble Gases"

Third Place: Joanna Cwynar-Wojtonis from Poland

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Year:  2024 PT id = 1319, Type = misc

Elements of Fire & Light

René Vernon presents Elements of Fire and Light: The Majesty of The Periodic Table


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Year:  2024 PT id = 1318, Type = misc

Classical Periodic Table

A Classical Periodic Table from xkcd:

Thanks to Marcus for the tip!

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Year:  1954 PT id = 1317, Type = formulation

New Periodic Table of the Elements Based on the Structure of the Atom

Tomkeieff SI, 1954, A New Periodic Table of the Elements Based on the Structure of the Atom, Chapman & Hall, London.

Thanks to René Vernon for the tip, who writes:

It is a helix wrapped on the surface of a cone. The shadow on the left is from the edge of my hand holding down the table; the shadow on the right is from the edge of a different book, again used to hold down the table into some semblance of flatness.

Mazurs said: "This is not a very successful table".

First, there is the cumbersome nature of a table on a cone, Secondly, see how the eight main group numbers at the top are sort of mushed into the 18 A and B series group numbers. This does not work well.

The colour scheme shows the dominant acid-base properties of the elements:

Dark blue — strong bases
Light blue — weak bases
Light red — weak acids
Dark red — strong acids
White — Inert gases

Since nonmetals never form basic oxides it is interesting to note that the (23) nonmetals fall on the right side of the table:

H He
B C N O F Ne
Si P S Cl Ar
Ge As Se Br Kr
Sb Te I Xe
Rn

[Water is amphoteric; hydrogen peroxide is weakly acid.]

While the underlined elements are sometimes called metalloids, it is has been known for over 100 years that metalloids predominately behave chemically like nonmetals.

Astatine would’ve been a nonmetal but for relativistic effects. Immediately following its production in 1940, early investigators considered it a metal.

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Year:  2020 PT id = 1316, Type = formulation

Ziggurat Formulation

Thanks to René Vernon for finding this "Ziggurat" formulation (with a dash of Segrè Chart, upper left) on the RSC page for Oganesson:

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Year:  2024 PT id = 1315, Type = formulation 3D spiral

Dufour’s Elementree in 2D by Vernon

A 2 dimension (flat) drawing of Dufour’s 3 dimensional Elementree by René Vernon.

René Vernon writes:

"I was surprised by its lack of symmetry in Dufour’s Elementree, caused by the awkward placement of He, and the assignment of H as floating above Li and Be. Hydrogen is as much subject to the periodic law as any other element. Without aligning H over Li, and He over Be, I am not sure that Elementree can be made symmetrical."

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What is the Periodic Table Showing? Periodicity

© Mark R. Leach Ph.D. 1999 –


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