Public Timelines

For companies For educational institutions For teachers For students Dashboard

For educational institutions For teachers For students Dashboard

Create a timeline

Public timelines

About & Feedback Terms Privacy FAQ

Dashboard Get premium

Donate

dec 31, 1912 - Niel Bohr - electrons could only occupy particular orbits determined by the quantum of action

Added to timeline:

Atomic Theory Time Line

18 Oct 2018

0

0

349

Date:

dec 31, 1912

Now

~ 113 years ago

About & Feedback Terms Privacy FAQ

Dashboard Get premium

Donate

The service accepts bank transfer (ACH, Wire) or cards (Visa, MasterCard, etc). Processed by Stripe.

Secured with SSL