L'exo 11 et 14 svp merci d'avance :).... Pergunta de ideia deCameron60

Cameron60 @Cameron60

June 2021 1 89 Report

L'exo 11 et 14 svp merci d'avance :)

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Salut

Exercice 11

a. La composition du noyau est :
   A = 28 : le nombre de nucléons
   Z = 14 : le nombre de protons
   A = Z+N
   N = A-Z
   N = 28-14
   N = 14 : le nombre de neutrons
b. La masse de son noyau est :
   m = A×mn
   m = 28×1,7×10⁻²⁷
   m = 47,6×10⁻²⁷ kg

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