
ESTRUCTURA ATÓMICA
Authored by BRENDA AUSEJO
Chemistry
3rd Grade
Used 115+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
¿Cuál es el número atómico y la masa atómica aproximada de un elemento que tiene en su núcleo 11 protones y 12 neutrones?
Z = 12 A = 23
Z = 11 A = 20
Z = 11 A = 23
Z = 12 A = 24
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Si tenemos un átomo con 61 neutrones y un número de masa de 108. ¿Cuántos electrones tiene? ¿Cuál es su número atómico?
e- = 47 Z = 108
e- = 108 Z = 47
e- = 47 Z = 47
e- = 47 Z = 108
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
¿Qué datos suministra los números del siguiente símbolo?
15 = número atómico 7 = número de neutrones
15 = número de masa 7 = número atómico
15 = número de electrones 7 = número de masa
15 = número de p+ más e- 7 = número atómico
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
El núcleo de un átomo puede contener:
Neutrones y electrones
Sólo electrones
Neutrones, protones y electrones
Neutrones y protones
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
El.........................................lo podemos obtener sumando el número de electrones y neutrones".
Número Atómico
Número de masa
Número de orbítales
Número de Protones
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
El número de masa de un elemento es 238 y el número atómico 92. El número de neutrones que existe en el núcleo de este elemento es:
146
238
92
320
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
¿cuántos electrones presenta el siguiente átomo?
18
20
42
38
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