33
/
AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
August 1, 2025
7572199
717902
2

jan 1, 1904 - Plum pudding model - depicts electrons as negatively charged particles embedded in a sea of positive charge

Added to timeline:

1 Nov 2022
0
0
195

Date:

jan 1, 1904
Now
~ 121 years ago