maroinramadi maroinramadi

16-10-2022
Physics

contestada

le numéro atomique de l'atome de fer est Z=26
1: déterminer le nombre d'électrons de cet atome
2: exprimer en fonction de la charge élémentaire e puis en coulomb C
2-1 la charge électrique du noyau de cet atome
2-2 la charge électrique des électrons de cet atome

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