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2019 has been designated the International Year of the Periodic Table as it is the 150th Anniversary of the formulation of Mendeleev's Tabelle I

Internet Database of Periodic Tables


There are thousands 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.

Use the buttons below to select from the 1000+ Periodic Tables in the database:

 pre 1900 formulations  1900 to 1949 formulations  1950 to 1999 formulations  2000 to 2009 formulations    Spiral formulations  3 dimensional formulations
 Data mapping periodic tables  Miscellaneous periodic tables  Books and reviews  non-chemistry periodic tables      All periodic tables

Or, select:     Search by Year:      Text search:





2018

IUPAC Periodic Table of The Elements

The 1 Dec 2018 IUPAC (International Union of Pure and Applied Chemistry) Periodic Table of The Elements. For updates to this table click here.

By virtue of its work in relation with the chemical elements, IUPAC can dispense a periodic table that is up-to-date. IUPAC involvement covers various aspects of the table and data that it unveils, and several reports and recommendations, some quite recent, attest of that input. In particular, IUPAC is directly involved in the following:

  1. establishing the criteria for a new element discovery
  2. defining the structure of a temporary name and symbol
  3. assessing claims resulting in the validation and assignation of an element discovery
  4. coordinating the naming of a new element, involving the research laboratory and allowing for public comments
  5. setting up precise rules for how to name a new element
  6. defining Group 1-18 and collective names
  7. determining which elements belong to Group 3
  8. regularly reviewing standard atomic weights

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pre 1900 formulations 1900 to 1949 formulations 1950 to 1999 formulations 2000 to 2009 formulations Spiral formulations 3 dimensional formulations
Data mapping periodic tables Miscellaneous periodic tables Books and reviews non-chemistry periodic tables All periodic tables


Periodic Table, What is it showing?
Binary Compounds

© Mark R. Leach 1999-


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