QUIZ SOBRE LA MATERIA
Authored by Julieta Elizabeth Castillo Herrera
Chemistry
7th Grade
Used 5+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Los protones son más livianos que los electrones, y por eso se encuentran en el núcleo:
Verdadero
Falso
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
El número de protones es lo que diferencia a un átomo de otro:
Verdadero
Falso
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Para que un átomo se considere neutro, el total de la suma de las cargas que contiene debe ser igual a uno:
Verdadero
Falso
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cuando quemamos un incienso o un papel, hablamos de cambios químicos:
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5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
La dilatación es considerada como un cambio químico:
Verdadero
Falso
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cuando se descongelan los cubitos de hielo, hablamos de solidificación:
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Falso
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cuando una substancia se combina con el oxígeno y se transforma en otra, hablamos de oxidación
Verdadero
Falso
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