24

/

en

AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w

May 31, 2020

Create Public Timelines Library FAQ

For education

For educational institutions

For students/pupils

Export

Duplicate

Embed

Edit

147 views

0

0

My Atom Project

Created by Joan Kirimi ⟶ Updated 16 Oct 2017 ⟶ List of edits

Comments

Events

Democritus-Atoms John Dalton-1st Atomic Theory Fredrick Soddy-Isotopes Fredrick Soddy is credited for the discovery of Protactinium Fredrick Soddy-Elements in different forms James Chadwick-Nuetrons Max Planck-Quantum Theory James Chadwick-Discovery of Neutrons JJ Thomson- Discovery of Electrons Ernest Rutherford- Atoms have negative space Ernest Rutherford -Alpha and Beta Niels Bohr Some event happened

PayPal - The safer, easier way to pay online!

About & Feedback Terms Privacy

English