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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:       


Periodic Tables from the year 1871:

1871   Mendeleev's Tabelle II
1871   Mendeleev's Predicted Elements
1871   Mendeleev's Periodic Table of 1871, redrawn by J.O. Moran, 2013


Year:  1871 PT id = 10

Mendeleev's Tabelle II

Some versions of Mendeleev's Tabelle II of 1871.

From the second volume of Mendeleev's textbook (click to enlarge):

Notice that on the right hand side, there is an additional formulation:

The two formulations above are discussed by Peter Wothers from the University of Cambridge with Sir Martyn Poliakoff, of the University of Nottingham, at 2:30 into the video below:

Mendeleev's Tabelle II can be shown in semi-modern form with the 'missing' group 18 rare gases and the f-block elements:

 

An alternative version of Mendeleev's Tabelle II:

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Year:  1871 PT id = 303

Mendeleev's Predicted Elements

In large part, the success of the Mendeleev's analysis can be attributed to the gaps which he predicted would contain undiscovered elements with predictable properties. Mendeleev named these unknown elements using the terms eka, dvi & tri (1, 2 & 3 from the ancient Indian language of Sanskrit).

Mendeleev predictions include:

Image from van Spronsen

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Year:  1871 PT id = 621

Mendeleev's Periodic Table of 1871, redrawn by J.O. Moran, 2013

Mendeleev's Periodic Table of 1871, redrawn by J.O. Moran, 2013, click here to see full size:

Wooden Periodic Table

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What is the Periodic Table Showing? Periodicity

© Mark R. Leach Ph.D. 1999 –


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