Bonjour aidez moi svp Merci.... Pergunta de ideia deFifi93370

Fifi93370 @Fifi93370

May 2019 1 25 Report

Bonjour aidez moi svp Merci

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MonsieurFirdown

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Bonjour

●le noyau de fluor à 9 charges positives donc on peur éliminé la A car il y'a 8 charges .

●L'ion fluorure est chargé négativement d'où sa formule F- il gagnera 1 électrons et en tout il on aura 10 car 9 au depart + 1= 10 .

●Conclusion : C'est la B

Voilà ^^

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fifi93370 Merci t un génie Tu oeux encore un autre stppppp

MonsieurFirdown Derien c'est 1000 × Rien

fifi93370 Je vien de poster un nouveau exercice

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