15
/
en
AIzaSyCYaC8UkdPkQKLFUmpasLV5eC3M802CrcA
Create
Recently updated
Popular
Library
FAQ
Get Premium for free!
Download
Export
Duplicate
Embed
Edit
The History of the Atom
Created by
Kane Anderson
Comments
86 views
0
0
Updated
21 Sep 2017
Timelines by
Kane Anderson
:
20 Sep 2017
0
0
161
Microscope
Events
Dalton explained that elements can be formed into comounds (1880)
J. J. Thompson describes the atom using the plum pudding model (1897)
Rutherford discovered the nucleus of the atom (1902)
Bohr Develops a new model of the Atom with energy "shells" (1920)
James Chadwick discovers the neutron (1932)
Marie Sklodowska Curie Studied uranium and thorium and called their spontaneous decay process "radioactivity". She and her husband Pierre also discovered the radioactive elements polonium and radium. (1898)
J.J. Thomson Used a CRT to experimentally determine the charge to mass ratio (e/m) of an electron =1.759 x 10 8 coulombs/gram. (1897)
