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Structure électronique des atomes & Schéma de Lewis

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Presentation on theme: "Structure électronique des atomes & Schéma de Lewis"— Presentation transcript:

1 Structure électronique des atomes & Schéma de Lewis

2 Agencement des électrons
Couches électroniques

3 Agencement des électrons
Couches K,L,M…

4 Agencement des électrons
Couches K,L,M… noyau

5 Agencement des électrons
Couches K,L,M… K noyau

6 Agencement des électrons
Couches K,L,M… K L noyau

7 Agencement des électrons
Couches K,L,M… K L M noyau

8 Agencement des électrons
Couches K,L,M… K L M … noyau

9 Remplissage des couches
Exemple de l’atome de sodium Na (Z=11)

10 Remplissage des couches
Exemple de l’atome de sodium Na (Z=11)

11 Remplissage des couches
Exemple de l’atome de sodium Na (Z=11)

12 Remplissage des couches
Exemple de l’atome de sodium Na (Z=11)

13 Remplissage des couches
Exemple de l’atome de sodium Na (Z=11)

14 Remplissage des couches
Exemple de l’atome de sodium Na (Z=11)

15 Remplissage des couches
Exemple de l’atome de sodium Na (Z=11)

16 Remplissage des couches
Exemple de l’atome de sodium Na (Z=11)

17 Remplissage des couches
Exemple de l’atome de sodium Na (Z=11)

18 Remplissage des couches
Exemple de l’atome de sodium Na (Z=11)

19 Remplissage des couches
Exemple de l’atome de sodium Na (Z=11)

20 Remplissage des couches
Exemple de l’atome de sodium Na (Z=11)

21 Remplissage des couches
Exemple de l’atome de sodium Na (Z=11)

22 Structure électronique
Exemple de l’atome de sodium Na (Z=11)

23 Structure électronique
Exemple de l’atome de sodium Na (Z=11) (K)2

24 Structure électronique
Exemple de l’atome de sodium Na (Z=11) (K)2(L)8

25 Structure électronique
Exemple de l’atome de sodium Na (Z=11) (K)2(L)8(M)1

26 Structure électronique
Exemple de l’atome de sodium Na (Z=11) (K)2(L)8(M)1

27 Schéma de Lewis

28 Exemple de l’atome de soufre S (Z=16)
Schéma de Lewis Exemple de l’atome de soufre S (Z=16)

29 Exemple de l’atome de soufre S (Z=16)
Schéma de Lewis Exemple de l’atome de soufre S (Z=16) (K)2(L)8(M)6

30 Schéma de Lewis Couche externe uniquement
Exemple de l’atome de soufre S (Z=16) (K)2(L)8(M)6 Couche externe uniquement

31 Exemple de l’atome de soufre S (Z=16)
Schéma de Lewis Exemple de l’atome de soufre S (Z=16)

32 Exemple de l’atome de soufre S (Z=16)
Schéma de Lewis Exemple de l’atome de soufre S (Z=16)

33 Exemple de l’atome de soufre S (Z=16)
Schéma de Lewis Exemple de l’atome de soufre S (Z=16) 6 électrons :

34 Exemple de l’atome de soufre S (Z=16)
Schéma de Lewis Exemple de l’atome de soufre S (Z=16) 6 électrons : 2 doublets

35 2 électrons célibataires
Schéma de Lewis Exemple de l’atome de soufre S (Z=16) 6 électrons : 2 doublets + 2 électrons célibataires

36 Exemple de l’atome de soufre S (Z=16)
Schéma de Lewis Exemple de l’atome de soufre S (Z=16) S

37 Schéma de Lewis Exemples

38 Schéma de Lewis Exemples Exemples hydrogène

39 Schéma de Lewis Exemples Exemples hydrogène H

40 Schéma de Lewis Exemples Exemples hydrogène H oxygène

41 Schéma de Lewis Exemples Exemples hydrogène H oxygène O

42 Schéma de Lewis Exemples Exemples hydrogène H oxygène O phosphore

43 Schéma de Lewis Exemples Exemples hydrogène H oxygène O phosphore P

44 Schéma de Lewis H O P Exemples Exemples hydrogène oxygène phosphore
carbone

45 Schéma de Lewis H O P C Exemples Exemples hydrogène oxygène phosphore
carbone C

46 Auteur : Alexandra Ambert
Fin Auteur : Alexandra Ambert

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