
Examen de Química
Quiz
•
Science
•
9th Grade
•
Practice Problem
•
Hard
Juliana Pachuca
FREE Resource
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40 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál es la partícula con carga negativa que gira alrededor del núcleo del átomo?
Protón
Neutrón
Electrón
Catión
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué partículas se encuentran en el núcleo del átomo?
Protones y electrones
Protones y neutrones
Electrones y neutrones
Iones y electrones
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué determina el número atómico de un elemento?
La masa atómica
El número de neutrones
El número de protones
El número de electrones
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué es un ion?
Un átomo que ha ganado o perdido electrones
Un átomo con más protones que neutrones
Un átomo inestable
Una molécula que se disuelve en agua
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cómo se llama el modelo atómico que representa los electrones girando en órbitas?
Dalton
Thomson
Rutherford
Bohr
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué partícula subatómica tiene carga neutra?
Electrón
Protón
Neutrón
Positrón
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué ocurre cuando dos átomos comparten electrones?
Forman un enlace covalente.
Se repelen entre sí.
Forman un enlace iónico.
Pierden protones.
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