30
/pt/
AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
April 1, 2024
1918127
158286
2
Public Timelines
FAQ
Menu
Public Timelines
FAQ
Public Timelines
FAQ
For education
For educational institutions
For teachers
For students
Open cabinet
For educational institutions
For teachers
For students
Open cabinet
Criar
Close
Create a timeline
Public timelines
Library
FAQ
1 jan 1857 ano - August Kekulé propone que el carbono es tetravalente, esto es que forma exactamente cuatro enlaces químicos.
Adicionado na linha do tempo:
química
By
raquel
17 out 2018
0
0
374
Data:
1 jan 1857 ano
Agora
~ 167 years ago
About & Feedback
Acordo
Privacidade
Biblioteca
2024
©
Time.Graphics
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
Excellent (Trustpilot Reviews)
Based on 115+ reviews
Write your own review on
Trustpilot.com
