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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 1951:

1951   Longman's Mural from Festival of Britain
1951   Mellor's Periodic Series of the Elements
1951   Tomkeieff's Periodic Table Formulation Formula


1951

Longman's Mural from Festival of Britain

Edgar Longman's mural from the 1951 Festival of Britain Science Exhibition, restored by Philip Stewart:

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1951

Mellor's Periodic Series of the Elements

Mellor's periodic series of the elements lists the rare earths as a vertical column below Y in Group III. Element Z=61, is identified as Il, illinium.

The peculiarities of Ce, Eu, Tb and Yb are not evident. U is positioned below W emphasizing its 6+ oxidation state.

From Michael Laing's paper: A Revised Periodic Table with the Lanthanides Repositioned, Found. Chem. (2005) 7: 203-233

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1951

Tomkeieff's Periodic Table Formulation Formula

A short letter to Nature in which Tomkeieff gives a formula to generate the periodic table:

Phobia

Thanks to Eric Scerri for the tip!
See the website EricScerri.com and Eric's Twitter Feed

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What is the Periodic Table Showing? Periodicity

© Mark R. Leach Ph.D. 1999 –


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