41
/
AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
May 31, 2026
1861219
152454
2
Public Timelines
FAQ

jun 1, 1900 - Frederick Soddy

Description:

Frederick Soddy observes spontaneous disintegration of radioactive elements into variants he calls "isotopes."

Added to timeline:

Date:

jun 1, 1900
Now
~ 126 years ago

Images: