Public Timelines

For educational institutions For teachers For students Cabinet

For educational institutions For teachers For students Open cabinet

FAQ Get premium

Create a timeline

Public timelines

About & Feedback Terms Privacy FAQ

Cabinet Get premium

Donate

jul 1, 1912 - Atomic number

Description:

It was discovered that the atomic number was proportional to the number of protons.

Added to timeline:

Atomic History_Kenealy

ByRebecca Kenealy

3 Oct 2018

1

0

445

Date:

jul 1, 1912

Now

~ 113 years ago

Images:

About & Feedback Terms Privacy FAQ

Cabinet Get premium

Donate

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

Secured with SSL