previous home next

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 1100 Period Tables in the database:

Text search:       


Periodic Table formulations from the year 1982:

1982   Periodiska Systems Rätta Form
1982   Discovery of Meitnerium


1982

Periodiska Systems Rätta Form

Hanno Essén's Periodiska Systems Rätta formulation of the Periodic Table, published in the International Journal of Quantum Chemistry vol. XXI pp.717-726 (1982).

Essén's formulation is a variant of the Janet Left-Step formulation of 1928:

Top of Page


1982

Discovery of Meitnerium

Mt

Meitnerium, atomic number 109, has a mass of 276 au.

Synthetic radioactive element.

Meitnerium was first observed in 1982 by G. Münzenberg, P. Armbrusteret al.

Top of Page



previous home next
What is the Periodic Table Showing? Periodicity

© Mark R. Leach Ph.D. 1999 –


Queries, Suggestions, Bugs, Errors, Typos...

If you have any:

Queries
Comments
Suggestions
Suggestions for links
Bug, typo or grammatical error reports about this page,

please contact Mark R. Leach, the author, using mark@meta-synthesis.com

This free, open access web book is an ongoing project and your input is appreciated.