Periodic Table
T-Shirts & more
from the

Merch Store

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 1300 Period Tables in the database: 

  Text Search:       

Year:  2019 PT id = 1297

Ossmi LH & Chasib's Periodic Table

By Dr Laith Al- ossmi, Thi-qar University, Iraq: Al Ossmi LH & Chasib K F, A New Method of Elements Arrangement to Reattach the F–Block Elements of Lanthanides and Actinides in the IUPAC's Periodic Table of Elements, Med & Analy Chem Int J, 3, 4,2019, pp 1–18. DOI 10.23880/macij-16000148

The new 3-dimantional layout of the periodic table graphically shows the main body parts of the table and also these vertical and horizontal coordinators of Periods, Groups, and Nadas.

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:

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

please contact Mark R. Leach, the author, using

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