30
/
AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
April 1, 2024
55233
5281
2
Public Timelines
FAQ
Menu
Public Timelines
FAQ
For education
For educational institutions
For teachers
For students
Open cabinet
Create
Close
Create a timeline
Public timelines
Library
FAQ
dec 21, 1919 - Bohr Develops a new model of the Atom with energy "shells" (1920)
Added to timeline:
The History of the Atom
By
Kane Anderson
21 Sep 2017
0
0
442
Date:
dec 21, 1919
Now
~ 104 years ago
About & Feedback
Terms
Privacy
Library
2024
©
Time.Graphics
Support 24/7
Cabinet
Get premium
Donate
The service accepts bank transfer (ACH, Wire) or cards (Visa, MasterCard, etc). Processed by Stripe.
Secured with SSL
Excellent (Trustpilot Reviews)
Based on 115+ reviews
Write your own review on
Trustpilot.com