29
/
en
AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
April 1, 2024
334217
29028
2
Create
Public Timelines
Library
FAQ
For education
Cabinet
For educational institutions
For teachers
For students/pupils
jan 1, 1869 - Dmitri Mendeleev: Periodic Table He organized the initial 63 elements into the periodic table by the atomic mass. The format of the rows and columns are still used today.
Added to timeline:
25 Nov 2017
0
0
506
Atomic Structure timeline
Date:
jan 1, 1869
Now
~ 155 years ago
Images: