Public Timelines

For educational institutions For teachers For students Cabinet

For educational institutions For teachers For students Open cabinet

FAQ Ricevere il Premium

Create a timeline

Public timelines

About & Feedback Accordo Privatezza FAQ

Cabinet Get premium

Donate

21 lugl 1913 anni - Danish scientist Niels Bohr proposed an improvement. In his model, he placed each electron in a specific energy level.

Aggiunto al nastro di tempo:

New timeline of atom

Byconnor kisselman

19 set 2018

0

0

213

Data:

21 lugl 1913 anni

Adesso

~ 112 years ago

About & Feedback Accordo Privatezza FAQ

Cabinet Get premium

Donate

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

Secured with SSL