
TEORÍA ATOMICA
Authored by Profesora Díaz
Chemistry
12th Grade
Used 49+ times

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11 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
La determinación del núcleo atómico corresponde a:
Dalton
Thomson
Rutherford
Goldstein
Chadwick
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Si en un átomo cualquiera su núcleo presenta valores Z=19 y A=39, entonces la cantidad de neutrones presentes corresponderá a
19
20
305
25.
40
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
El número de electrones presentes en un ion X+5 con un valor Z=20 y A=41 será:
10
15
203
25
40
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Las especies neutras 30Zn64 y 29 Cu64 tienen igual número de
protones
electrones
neutrones
protones + electrones
protones + neutrones
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Todos los átomos del elemento nitrógeno tienen igual:
I. Número atómico
II. Número másico
III. Configuración electrónica
Solo I
Solo II
Solo III
Solo I y II
Solo I y III
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Con su experimento, Rutherford comprobó
Que en el núcleo atómico están incrustados los electrones.
la existencia del electrón.
la existencia del neutrón.
la existencia del protón.
que el núcleo atómico está separado de los electrones.
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
La afirmación “el espacio entre los núcleos de los átomos está ocupado por electrones de carga
negativa” representa una interpretación de los trabajos ejecutados por
Dalton.
Rutherford.
Faraday.
Crookes.
Thomson.
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