
ESTRUCTURA ATÓMICA I
Authored by yane zevallos
Chemistry
1st Grade
Used 79+ times

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8 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
El número atómico representa:
La suma de protones y neutrones
Al número de neutrones
Al número de protones de la corteza
Al número de protones del núcleo
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Un elemento con Z=24 tiene:
24 protones
24 neutrones
25 electrones
25 protones
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Si un elemento químico tiene un número de masa de
197 y un número atomico de 79
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
¿Cómo se llaman las partículas subatómicas fundamentales?
Neutrón, Protón y electrón
Dynamo, Fotón y Galio
Quark, Timón y Flash
Hidrógeno, Helio y Neón
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
El núcleo de un átomo presenta 26 protones y 30 neutrones hallar el número de masa.
30
56
26
4
112
6.
MULTIPLE CHOICE QUESTION
3 mins • 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
7.
MULTIPLE CHOICE QUESTION
3 mins • 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
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