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Correction Devoir 5

Correction Devoir 5. Exercice. -1. +1. +. Cl. Cl. Na. Na. +. NaCl. O. O. -2. +1. +. 2. Li. Li. +. Li. +. Li 2 O. Exercice. -1. +2. Mg. +. +. 2. +. O. Ca. MgF 2. Mg. F. F. F. +2. -2. +. O. Ca. +. CaO. H et O (covalente= partage). H. O. H. H 2 O.

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Correction Devoir 5

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  1. Correction Devoir 5

  2. Exercice -1 +1 + Cl Cl Na Na + NaCl O O -2 +1 + 2 Li Li + Li + Li2O

  3. Exercice -1 +2 Mg + + 2 + O Ca MgF2 Mg F F F +2 -2 + O Ca + CaO

  4. H et O (covalente= partage) H O H H2O

  5. Br et Br (covalente= partage) Br Br Br2

  6. H et F (covalente = partage) H F HF

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