33
/pt/
AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
November 1, 2025
Create a timeline
Public Timelines
For education
For educational institutions
For teachers
For students
Cabinet
For educational institutions
For teachers
For students
Open cabinet
FAQ
Receber premium
Close
Create a timeline
Public timelines
FAQ
About & Feedback
Acordo
Privacidade
FAQ
Support 24/7
Cabinet
Get premium
Donate
Editar
Baixar
Export
Criar uma cópia
Premium
Incorporar ao site
Share
chemistry
Category:
Outro
Atualizado:
19 set 2017
0
0
546
Autores
Created by
D'Kerrington Traylor
Attachments
Comments
Eventos
400BC Democritus Matter is made of small particles
1777 Antoine Lavoisier Mass is conserved in a chemical reaction
1803 John Dalton All matter is composed of atoms
1897 J.J. Thomson Discovered electrons
1909 Ernest Rutherford Discovered Protons in nucleus
1913 Niels Bohr Electrons had different energy levels
1926 Erwin Schrodinger Electron cloud model
1932 James Chadwick Discovered neutrons
About & Feedback
Acordo
Privacidade
FAQ
Support 24/7
Cabinet
Get premium
Donate
The service accepts bank transfer (ACH, Wire) or cards (Visa, MasterCard, etc). Processed by Stripe.
Secured with SSL
Comments