41
/
AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
May 31, 2026
98897
8998
2
Public Timelines
FAQ

nov 29, 1897 - Joseph John Thompson's model

Description:

In 1897, Joseph John Thompson discovered electron and with that information, he created his own atom model called "plum pudding model". According to that model, electron were inside the atom and distributed randomly like a plum pudding. He also described the nature of cathode rays.

Info:
Porter. Victoria. "Atom Models Timeline". Prezi. Prezi. 9 March 2011. 3 October 2017

Picture:
jujube1999. "Atomic Model Timeline". TimeToast. Timetoast. 2017. 3 October 2017

Added to timeline:

Date:

nov 29, 1897
Now
~ 128 years ago

Images: