41
/
AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
May 31, 2026
1851341
151326
2
Create a timeline
Public Timelines
For companies For educational institutions For teachers For students Dashboard
For educational institutions For teachers For students Dashboard
FAQ
Create a timeline
Public timelines
FAQ
About & FeedbackTermsPrivacyFAQ
Support 24/7  
DashboardGet premium
Donate

apr 15, 1932 - James Chadwick - Discovery of Neutron (1932)

Description:

Chadwick found an unknown radiation when experimenting with beryllium atoms and alpha particles which was made up of neutral particles. These particles are called electrons and have approximately the same mass as protons.

Added to timeline:

Atomic Theory Timeline

BySANYA SHETTY
9 Oct 2018
0
0
477

Date:

apr 15, 1932
Now
~ 94 years ago
About & FeedbackTermsPrivacyFAQ
Support 24/7  
DashboardGet premium
Donate
The service accepts bank transfer (ACH, Wire) or cards (Visa, MasterCard, etc). Processed by Stripe.
Secured with SSL