Atomistique Flashcards

1
Q

nb electrons de valence metal de transition

A

(n-1)d

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2
Q

Nb de dnl

A

(somme des e- de valence - chargres) / 2

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3
Q

comparer ion et esp

A

nmx= : Z +++ => EI +++

n max diff : n max + => EI _

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4
Q

Formule E

A

E = h . f = (h.c)/lambda

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5
Q

formule E(n)

A

E(n)= - 13.6 /n^2 (eV)

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6
Q

1 eV =? J

A

1 eV = 100 kJ/mol

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7
Q

r(n)

A

r(n) = r(1) x n^2 (amstrong)

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8
Q

r(1)

A

r(1) = (Eo x h^2) / (pi x Me x e^2) = 0.53 Amstrong

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9
Q

ordre K

A

1s2s2p3s3p 4S 3d4p 5S

mais on ecrit 1s2s2p3s3p D

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10
Q

exceptions K

A

Cu, Ag : d rempli 100%
=> (n-1) d10

Ch, M : (n-1)d5

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11
Q

CO2

BeH2

A

lineaire
AX2
180

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12
Q

BF3

A

triangu plane
120
AX3

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13
Q

SnCl2

A

AX2E
coudee
<120

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14
Q

CH4

A

tetra
109
AX4

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15
Q

NH3

A

pyramide trigonale
107
AX3E

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16
Q

H20

A

coudee
104
AX2E2

17
Q

PF5

A

bipyramide triangk
AX5
90 et 120

18
Q

SF4

A

AX5E

forme SF4

19
Q

ICl3

A

forme et=n T

AX3E2

20
Q

XeF2

A

AX2E1

lineaire

21
Q

SF6

A

octa
AX6
90

22
Q

BrF5

A

AX5E

pyramide a base careee

23
Q

XeF4

A

plane caree

AX4E2