Banco de Preguntas - Química
4th Grade
•52 Qs
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Banco de Preguntas - Química
Quiz
•
Biology
•
4th Grade
•
Medium
Westher Rosario
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52 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
La teoría atómica moderna afirma que los electrones se encuentran en orbitales definidos.
Verdadero
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2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Los protones tienen carga negativa.
Verdadero
Falso
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
El número atómico de un elemento es igual al número de protones en su núcleo.
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4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Los neutrones tienen carga positiva.
Verdadero
Falso
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Un isótopo es una forma de un elemento que difiere en el número de neutrones.
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6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
En un átomo neutro, el número de electrones es igual al número de protones.
Verdadero
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7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Los electrones se mueven en órbitas circulares fijas alrededor del núcleo, según el modelo de Bohr.
Verdadero
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