June 2021 1 119 Report

Exercice 2: Donner la composition des molécules suivantes (nombre de
chaque atome dans la
molécule):

A) Ozone O³
B) Pentane C⁵ H¹²
C) Dioxyde d'azote NO²
D) Triméthylamine C³ H⁹ N​
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