
QUI01009 - modelos atômicos
Authored by Silma Alberton
Physics, Chemistry
University
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Que informação sobre a estrutura atômica foi determinada pelo experimento da gota de óleo de Millikan?
A existência dos elétrons
A existência do núcleo
A carga do elétron
A carga do nêutron
A carga do próton
2.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Qual cientista confirmou que a maior parte da massa do átomo está concentrada no núcleo?
John Dalton
J. J. Thomson
Ernest Rutherford
Robert Millikan
3.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
O que determina a identidade de um átomo?
O número de prótons
O número de elétrons
O número de nêutrons
O número total de prótons e nêutrons
O número total de prótons e elétrons
4.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Quantos nêutrons existem em 1000 átomos de cloro-37 (Z = 17)?
37
37.000
20
20.000
Não é possível determinar
5.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Quantos prótons existem em um átomo de platina-195 (Z = 78)?
273
195
117
78
6.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Quantos orbitais de um mesmo átomo podem ser descritos por esse conjunto de números quânticos n = 3 e ml = -1 ?
1
2
3
4
7.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Qual dessas transições em um átomo de hidrogênio irá liberar mais energia?
n = 3 → n = 1
n = 4 → n = 3
n = 1 → n = 4
n = 2 → n = 1
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