IONES 2do
Quiz
•
Chemistry
•
1st - 11th Grade
•
Practice Problem
•
Hard
Sonia Yaya
Used 12+ times
FREE Resource
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8 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
La especie mostrada, presenta _____ electrones.
27
25
30
23
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
¿Cuál es la carga de una especie química que tiene número de masa 75 , posee 42 neutrones y 30 electrones?
+3
-1
-3
+2
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
¿Cuál es el número atómico (Z) de un anión tetravalente, si contiene 16 electrones?
12
16
5
20
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Si el átomo de 14Si ha perdido 4e-, ¿cuál es su número atómico?
10
14
18
4
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
El átomo que gana un electrón es un anión monovalente
Verdadero
Falso
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Indica la relación incorrecta:
Al3+: anión trivalente
Cl-1: anión monovalente
Mg2+:catión divalente
30Zn: especie neutra
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Se tiene un anión divalente cuyo número atómico es 16, ¿cuántos electrones posee?
19
20
18
21
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