41
/
AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
May 31, 2026
3624554
330863
2
Public Timelines
FAQ

jan 1, 1913 - Niels Bohr

Description:

Discovered that electrons travel in separate orbits and the number of electrons in the out orbit determines the propeties of n element

Added to timeline:

19 Dec 2019
0
0
355

Date:

jan 1, 1913
Now
~ 113 years ago