
Números atómicos, másicos e isótopos
Authored by ISMAEL SANCHEZ
Chemistry
10th - 12th Grade
Used 86+ times

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6 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
¿Cuál es el número atómico y número másico del siguiente elemento?
# atómico = 24, # másico = 28
# atómico = 52, # másico = 24
# atómico = 24, # másico = 52
# atómico = 52, # másico = 28
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Número de protones y neutrones dentro del núcleo del siguiente elemento:
protones = 53, neutrones = 74
protones = 127, neutrones = 53
protones = 74, neutrones = 53
protones = 127, neutrones = 74
3.
FILL IN THE BLANK QUESTION
30 sec • 1 pt
Número de electrones presentes en el siguiente ion (escriba solo el número en dígitos):
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
En un ion negativo (anión), el número de protones es inferior al número de electrones.
Verdadero
Falso
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
El número másico es el número total de protones y electrones que hay en un determinado átomo.
Verdadero
Falso
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
¿Cuál de las siguientes especies químicas tiene 10 protones, 12 electrones y 4 neutrones?
Opción A.
Opción B.
Opción C.
Opción D.
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