29
/
en
AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
April 1, 2024
Create
Public Timelines
Library
FAQ
For education
Cabinet
For educational institutions
For teachers
For students/pupils
Download
Export
Duplicate
Embed
227 views
0
0
Atomic History
Created by
Danny DeVito
⟶ Updated 28 Sep 2018 ⟶
List of edits
Comments
Events
Democritus theorizes that atoms exist.
John Dalton discovered the properties of atoms.
Dmitri Mendeleev organizes the elements into the periodic table.
Ernest Rutherford discovers the proton and the nucleus in an atom.
J. J. Thomson discovers the electron.
Niels Bohr's atomic model.
Frederick Soddy discovers isotopes.
James Chadwick calculates the mass of a nucleus.