Diagnóstico 1ero medio
Quiz
•
Chemistry
•
8th - 12th Grade
•
Practice Problem
•
Hard
Stephanie Vinet
Used 3+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
El modelo atómico que suscitó la idea del átomo como estructura eléctrica fue el:
de Dalton
de Rutherford
de Bohr
de Thomson
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Con su experimento, Rutherford comprobó:
que en el núcleo atómico están incrustados los electrones
la existencia del electrón
la existencia del neutrón
que el núcleo atómico está separado de los electrones
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Si un átomo neutro pierde un electrón:
su carga total no se altera
su carga total queda negativa
su carga total queda positiva
resulta un anión
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
En un átomo neutro con 22 electrones y 26 neutrones, sus números atómicos y másico son, respectivamente:
22 y 26
22 y 48
26 y 22
26 y 48
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
El isótopo más abundante del aluminio es el 13Al27. Las cantidades de protones, neutrones y electrones del ion Al+3 de este isótopo son, respectivamente:
10, 14 y 13
10, 40 y 10
13, 14 y 10
13, 14 y13
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Un átomo posee 19 protones, 20 neutrones y 19 electrones. ¿Cuál de los siguientes átomos es su isótono? (poseen igual número de neutrones)
19A39
10B20
18C38
39D58
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
El ion 3579Br -
es un catión
posee 36 electrones
posee 43 neutrones
posee más protones que neutrones
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