29
/
en
AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
April 1, 2024
239536
20930
2
Create
Public Timelines
Library
FAQ
For education
Cabinet
For educational institutions
For teachers
For students/pupils
jan 2, 1817 - Johann Wolfgang Döbereiner
Description:
* I declare the similarity between the properties of some groups of elements.
Added to timeline:
8 Nov 2017
0
0
350
enya garcia
time line
Date:
jan 2, 1817
Now
~ 207 years ago
Images: