Bohr
Interactive Video
•
Physics
•
10th Grade
•
Practice Problem
•
Easy
Flávio Cunha
Used 1+ times
FREE Resource
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12 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é o problema do átomo de Rutherford, em que os elétrons estão girando em torno do núcleo como se fosse um mini-sistema solar?
Elétrons emitem energia ao curvar a trajetória, e deveria "cair" no núcleo.
Ao contrário do Sistema Solar em que os planetas são menores que o Sol, os elétrons são menores que o núcleo.
Os elétrons não podem estar girando em torno do núcleo, pois estão parados, presos ao núcleo.
2.
FILL IN THE BLANK QUESTION
1 min • 1 pt
O modelo atômico de Rutherford apresenta problemas quanto à ideia de um sistema ________.
3.
FILL IN THE BLANK QUESTION
1 min • 1 pt
O elétron emite energia na forma de ________ enquanto orbita o núcleo.
4.
FILL IN THE BLANK QUESTION
1 min • 1 pt
A constante de ________ é uma nova grandeza da física quântica, introduzida no modelo de Bohr.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O núcleo do modelo de Rutherford concentra a maior parte da massa e é rodeado por elétrons em órbita.
Verdadeiro
Falso
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O elemento hélio foi descoberto primeiro na Terra e só depois no Sol.
Verdadeiro
Falso
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O terceiro postulado do modelo de Bohr resolve o problema da estabilidade do elétron orbitando o núcleo.
Verdadeiro
Falso
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