Chemistry, asked by lola1057, 5 months ago

On considère l’atome de chrome de représentation symbolique 25 42

1. Donner la composition en protons, en neutrons, et en électrons de cet atome. Justifier.

2. Calculer la charge électrique du noyau.

3. Calculer la masse du noyau atomique. 4. Calculer la masse de l’atome. Conclure.

Answers

Answered by gauravthoke0909

5

L'atome de chrome a 24 protons , 24 électrons et 28 neutrons.

La masse de l'atome est 51g .

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