Periodic Table |
![]() |
![]() |
![]() |
![]() |
![]() |
![]() |
![]() |
| What is the Periodic Table Showing? | Periodicity |
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. The database holds information on periodic tables, the discovery of the elements, the elucidation of atomic weights and the discovery of atomic structure (and much, much more).
Periodic Tables from the year 1825 :
| 1825 | Aluminium (Aluminum), Discovery of |
| 1825 | Bromine, Discovery of |
| Year: 1825 | PT id = 792, Type = element |
Discovery of Aluminium (Aluminum)
Al
Aluminium (aluminum), atomic number 13, has a mass of 26.982 au.
Aluminum is a silvery-white metal.
Aluminium was first isolated in 1825 by H.C.Ørsted.
| Year: 1825 | PT id = 815, Type = element |
Discovery of Bromine
Br
Bromine, atomic number 35, has a mass of 79.904 au.
Bromine exists as an orange diatomic molecular liquid, Br2.
Bromine was first isolated in 1825 by J. Balard and C. Löwig.
![]() |
![]() |
![]() |
| 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.






