PARTÍCULAS SUBATÓMICAS
Flashcard
•
Chemistry
•
10th Grade
•
Practice Problem
•
Hard
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1.
FLASHCARD QUESTION
Front
¿Qué es el núcleo atómico?
Back
El núcleo atómico es la parte central de un átomo, que contiene protones y neutrones, y tiene carga positiva.
2.
FLASHCARD QUESTION
Front
¿Cómo se calcula el número de masa de un elemento?
Back
El número de masa se calcula sumando el número de protones y neutrones en el núcleo de un átomo.
3.
FLASHCARD QUESTION
Front
Si un átomo tiene 5 protones y 6 neutrones, ¿cuál es su número de masa?
Back
11 (5 protones + 6 neutrones = 11)
4.
FLASHCARD QUESTION
Front
¿Qué ocurre cuando un átomo gana electrones?
Back
Cuando un átomo gana electrones, su carga se vuelve negativa.
5.
FLASHCARD QUESTION
Front
¿Cuántas partículas subatómicas hay en un átomo neutro con Z=12 y A=24?
Back
12 protones, 12 neutrones y 12 electrones.
6.
FLASHCARD QUESTION
Front
¿Qué significa que un átomo sea neutro?
Back
Un átomo es neutro cuando tiene el mismo número de protones y electrones.
7.
FLASHCARD QUESTION
Front
¿Cuál es la carga de un ion que ha ganado 3 electrones?
Back
La carga será -3.
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