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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: 

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Year:  2021 PT id = 1191

Provisional Report on Discussions on Group 3 of The Periodic Table

Provisional Report on Discussions on Group 3 of The Periodic Table by Eric Scerri, De Gruyter | 2021


The following article is intended as a brief progress report from the group that has been tasked with mak-ing recommendations to IUPAC about the constitu-tion of group 3 of the periodic table ( It is also intended as a call for feedback or suggestions from members of IUPAC and other readers.

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What is the Periodic Table Showing? Periodicity

© Mark R. Leach Ph.D. 1999 –

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