29
/
en
AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
April 1, 2024
1882160
153306
1
Create
Public Timelines
Library
FAQ
For education
Cabinet
For educational institutions
For teachers
For students/pupils
jan 1, 1869 - Dmitri Mendeleev predicts elements before the periodic table
Description:
Elements such as Gallium, Scandium, and Germanium
Added to timeline:
12 Oct 2018
0
0
368
Atomic Model Timeline
Date:
jan 1, 1869
Now
~ 155 years ago