33
/
AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
November 1, 2025
341832
29612
1
Public Timelines
FAQ Get premium

jan 1, 1932 - Neutron

Description:

discovered by James Chadwick[12] (predicted by Rutherford in 1920

Added to timeline:

27 Nov 2017
0
0
399

Date:

jan 1, 1932
Now
~ 93 years ago