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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).

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Year:  1918 PT id = 367, Type = formulation

Meyer's Periodisches System der Elemente

Periodic Table of Meyer (1918) with an intraperiodic accommodation of the rare earths. Reproduced from Meyer, S., 1918. Phys. Z. 19, 178.

Philip Stewart has provided a bit more detail:

Stefan Meyer (1872-1949) was an Austrian physicist, no relation of Julius Lothar Meyer. He had a special interest in 'rare earth' and radioactive elements. He published several versions of the periodic table. In this definitive version of 1918, note elements 69-72. Tu I is 'thulium I', Ad is Aldeberanium (Yb), Cp is Cassiopeium (Lu) and Tu II is 'thulium II' (Hf).:

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What is the Periodic Table Showing? Periodicity

© Mark R. Leach Ph.D. 1999 –

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