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The INTERNET Database of Periodic Tables

There are hundreds of periodic tables in web space, but there is only one comprehensive database of periodic tables & periodic system formulations. If you know of an interesting periodic table that is missing, please contact the database curator: Dr Mark R Leach.

pre 1900 formulations 1900 to 1949 formulations 1950 to 1999 formulations 2000 to 2009 formulations Spiral formulations 3 dimensional formulations
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1906

Mendeleev's 1906 Periodic Table

Mendeleev's periodic table of 1906, the last drawn up by Mendeleev himself, and published in the 8th edition of his textbook, Principles of Chemistry. He died in 1907.

  • H retains the position of 1871
  • The triad of Cu, Ag, Au is still duplicated.
  • The noble gases are Group O
  • This arrangement predates the concepts of atomic number and electron configuration
  • Coronium is shown with a dash

Thanks to Philip Stewart for the corrections.

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pre 1900 formulations 1900 to 1949 formulations 1950 to 1999 formulations 2000 to 2009 formulations Spiral formulations 3 dimensional formulations
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Periodic Table, What is it showing?
Binary Compounds

© Mark R. Leach 1999-

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