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Q C M 1 S M QCM1 ? Structure électronique de l'atome

Dans le cas de l'ion 58Ni2+ de numéro atomique Z = 28 : - il y a 28 protons ;. - N = A ? Z = 58 ? 28 = 30 : il y a 30 neutrons ;. - l'ion est chargé 2+, ce ...

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