
QUIZ U1-Ejercicios 1
Authored by Germán CABRALES GOITIA
Chemistry
9th Grade

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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
El electrón es una partícula de masa muy pequeña que tiene carga eléctrica positiva.
Verdadero
Falso
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Un protón es mucho mayor en masa que un neutrón, y aproximadamente igual que un electrón.
Verdadero
Falso
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
El neutrón tiene la misma carga que el electrón, pero de signo contrario.
Verdadero
Falso
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Los electrones y los protones se repelen porque tienen cargas de signo contrario.
Verdadero
Falso
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Asocia cada una de las siguientes afirmaciones con el modelo correspondiente: Thomson, Rutherford, Bohr. a) El átomo es una esfera compacta.
Thomson
Rutherford
Bohr
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Asocia cada una de las siguientes afirmaciones con el modelo correspondiente: Thomson, Rutherford, Bohr. b) Los electrones giran en ciertas órbitas permitidas.
Thomson
Rutherford
Bohr
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Asocia cada una de las siguientes afirmaciones con el modelo correspondiente: Thomson, Rutherford, Bohr. c) El núcleo es muy pequeño en comparación con el átomo.
Thomson
Rutherford
Bohr
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