Práctica Calificada

Quiz
•
Chemistry
•
1st Grade
•
Hard
Leslie Zavaleta
Used 9+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Indique el número de electrones si posee 22 protones
24
18
22
20
2
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
¿Cuántos neutrones posee el K+1?, si presenta 19 protones y 40 nucleones
20
21
40
19
59
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
En cierto átomo su A = 35 y Z = 17, además es un anión monovalente. ¿Cuántos electrones posee?
17
26
35
16
18
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Un átomo posee 10 partículas fundamentales y 4 neutrones. Calcule el número de protones.
10
3
6
4
14
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
La suma de los números de masa de 2 isótopos es 26 y la suma de neutrones es 14. ¿Cuál es el número atómico?
4
7
6
8
N.A
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Respecto al anión 9F-1 es falso que:
Tiene 9 protones
Tiene 8 electrones
Tiene 10 electrones
Todas las anteriores.
N.A
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
De las siguientes especies. ¿Cuál no es isoelectrónica con las demás?
19K+1
20Ca+2
9F-1
17Cl-1
N.A
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