Número atómico y másico, cationes, aniones e isótopos
Quiz
•
Chemistry
•
KG - Professional Development
•
Practice Problem
•
Medium
Standards-aligned
Isabel Gadea
Used 54+ times
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20 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Los elementos químicos sólo pueden ganar o perder un electrón
Verdadero
Falso
Tags
NGSS.HS-PS1-1
NGSS.HS-PS1-2
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Los isótopos se identifican mediante el símbolo del elemento seguido de su número másico.
Verdadero
Falso
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
El número másico
Se representa mediante la letra Z
Es la suma de protones y neutrones que hay en el núcleo
Es el número de protones
Es la suma de electrones y neutrones que hay en el núcleo
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Varios elementos pueden tener el mismo número atómico
Verdadero
Falso
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Se llaman isótopos....
a los átomos de un mismo elemento que tienen diferente número de electrones
a los átomos de un mismo elemento que tienen diferente número de neutrones
a los átomos de un mismo elemento que tienen el mismo número de electrones
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
El hidrógeno-2 también recibe el nombre de...
Helio
Deuterio
Hidrogenoide
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
¿Cuál de los siguientes isótopos del Carbono es inestable y radiactivo?
Carbono-30
Carbono-20
Carbono-14
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