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Exercice 2: Extraire des informations de la classificat
12
C
6
Carbone
28
Si
14
14
N
7
Azote
31
P
15
Silicium Phosphore
16
0
8
Oxygène
32
S
16
Soufre
19
F
9
Fluor
35
CL
17
Chlore
Doc 1: Extrait

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