
QUIZ U2-Ejercicios 1
Quiz
•
Chemistry
•
9th Grade
•
Hard
Germán CABRALES GOITIA
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué parámetros permiten distinguir los átomos de un elemento de los de otro?
Número atómico y número másico
Masa atómica y número de electrones
Configuración electrónica y número de protones
Radio atómico y carácter metálico
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál es la causa de la carga de un ion? Cita un ejemplo.
Ganar o perder electrones
Ganar o perder protones
Ganar o perder neutrones
Ganar o perder masa atómica
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Si un átomo neutro pierde dos electrones, da lugar a:
Un catión
Un isotopo
Un anion
Un neutrón
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Verdadero o falso? Un ion se diferencia de un átomo neutro en que ha adquirido carga eléctrica negativa.
Verdadero
Falso
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
El parámetro que identifica todos los átomos de un determinado elemento es el
Número atómico
Número másico
Configuración electrónica
Carácter metálico
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Los Isótopos de un mismo elemento tienen el mismo número
Atómico y másico
Atómico y de electrones
Másico y de protones
Másico y de neutrones
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cuáles de las siguientes series de átomos son isótopos y explica por qué:
3H, 4H, 5H
Co, Ni, Cu
12C, 13C, 14C
16O, 17O, 18O
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