chap8.py

Created by tombachi445

Created on May 08, 2023

565 Bytes


electron de valence :
1s2 2s2 2p6 3s2 3p6
atome de carbone, il y a 4 électrons de valence. Ces électrons sont mis en commun
pour former des liaisons covalentes
couche de valence:dernière couche
Carbone=6 hydrogene=1 oxygene=10

Schema de lewis
voir la couche de valence
et avec le nombre d'atome qu'il y a 
les represente autour de l'atome
sous forme de point

Les macromolécules sont de grande taille
Couleur:
H=Blanc C=noir O=rouge

Formule brute:C2H6O
Formule développée:  H ‐ O ‐ H
Formule semi‐développée:CH3‐CH2‐CH3

ethanol:C2H6O(alcool)

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