29
/
en
AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
April 1, 2024
67383
6283
2
Create
Public Timelines
Library
FAQ
For education
Cabinet
For educational institutions
For teachers
For students/pupils
mar 28, 1932 - James Chadwick discovered neutrons, particles whose mass was close to that of a proton.
Added to timeline:
26 Sep 2017
0
0
757
atomic timeline
Date:
mar 28, 1932
Now
~ 92 years ago