29
/
en
AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
April 1, 2024
3483521
316241
2
Create
Public Timelines
Library
FAQ
For education
Cabinet
For educational institutions
For teachers
For students/pupils
jan 1, 1803 - John Dalton
Description:
John Dalton theorised that matter is atoms with different weight. He also came up with the idea that atoms have spherical shape and have some sort of motion.
Added to timeline:
4 Nov 2019
0
0
240
Modern Atomic Theory
Date:
jan 1, 1803
Now
~ 221 years ago