L’atome d’Hydrogene Flashcards

1
Q

Nombre d’avogadro

A

Na = 6,022 x 10^23 mol

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2
Q

La célérité de la lumière

A

c = 2,998 x 10^8 m.s

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3
Q

Domaine visible

A

400 à 800 nm

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4
Q

Infrarouge

A

> 800nm

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5
Q

Ultraviolet

A

< 400nm

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6
Q

Un quantum d’Energie : relation Planck-Einstein

A

E = hv = hc / lambda

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7
Q

Constante de planck

A

h = 6,626 x 10^-34 J.s

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8
Q

1 eV en Joules

A

1,602 x 10^-19 J

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9
Q

Rayon rn des orbites de l’electron

A

rn = n^2 x a0

Où a0 = 52,92 pm

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10
Q

Énergie En de l’électron

A

En = -E0 x 1/ n^2

Où E0 = 13,60 eV

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11
Q

Énergie d’un photon

A

E = hc / lambda

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12
Q

Longueur d’onde si l’on connaît les énergies

A

Lambda = h x c/ Ef - Ei

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13
Q

Longueur d’onde avec Rydberg

A

1/lambda = RH x ( 1/ nf^2 - 1/ ni^2)

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14
Q

Énergie pour les ions hydrogénoïdes

A

En = - Z^2 / n^2 x E0

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15
Q

Rayon pour les ions hydrogénoïdes

A

rn = n^2 / Z x a0

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