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Qcm


jeanalex0630
Go to solution Solved by Lecoccyx,

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Configuration du Na : 1s2 2s2 2p6 3s1              Configuration du Na+ : 1s2 2s2 2p6

Configuration du fluor : 1s2 2s2 2p5                  Configuration du F- : 1s2 2s2 2p6

Donc...heu bah c'est pareil quoi ^^ ( pour les ions seulement)

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