chimie controle 1 Flashcards

1
Q

Theorie atomique

A

-1808 par John Dalton
-atome indivisible et indestructible

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2
Q

Classification periodique des elements

A

-1869 Mendeliev

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3
Q

Decouverte de l electron et le rayonnement cathodique

A

-1897 Thomson
-Modele plum pudding

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4
Q

decouverte du photon+ effet photoelectrique

A

-1905 Einstein

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5
Q

decouverte du noyau de latome

A

-1909 rutherford, geiger, mardsen
-modele planetaire ou soleil=noyau et electrons=planete

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6
Q

explication du spectre de lhydrogene

A

-1913 Bohr
-modele de latome de Bohr

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7
Q

developpement de la mecanique quantique et caractere ondulatoire de la lumiere

A

-1920-30 De broglie, Heisenberg, Shrodinger, Born
-modele probaliste de latome
-orbitale et fonction donde
-Quantification

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8
Q

lel

A

1,6022x10E-19 C

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9
Q

Rh

A

2,18x10E-18 J

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10
Q

c

A

2,998x10E8 m/s

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11
Q

h

A

6,626x10E-34 Js

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12
Q

N

A

6,022x10E23 molE-1

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13
Q

quelles radiations electrom voyage le plus rapidement ds le vide

A

aucune. tous mm vitesse car font partie du spectre electrom

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14
Q

keske la lumiere

A

une onde ou une particule selon phenomene observe

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15
Q

keske montre leffet photoelectrique

A

nature corpusculaire de la lumiere

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16
Q

de koi depend energie de la lumiere

A

de sa frequence (E=hf)

17
Q

1nm?

A

10E-9 m

18
Q
A