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biophysique purpan 2019 2020 qcm 6


cambrlt
Go to solution Solved by Cool-idge,

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  • Solution

Salut, 

 

Alors la D, alpha c'est 4/2 et le  neutron c'est 1/0, tu vérifies 122 + 4 = 126 et 123 + 3x1 = 126 on est bon, maintenant dans ton tableau en début d'énoncé, tu dois regarder si le Xe peut se transformer en I, en fonction de leur énergie de masse respective, l'I devant avoir une énergie de masse plus faible. 

 

C'est ok ? 

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