
IONES E ISÓTOPOS
Authored by kenia paz
Science
9th Grade
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10 questions
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1.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Un átomo neutro tiene 24 electrones y un numero masico de 52. Este átomo posee un número de neutrones de
30
28
24
52
2.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Dadas las siguientes características de un átomo, cual es el número de masa correspondiente
16
32
18
34
3.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
¿ Cúal de los siguientes iones tiene 19 protones y 18 electrones
4.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
¿Cúal de los siguientes elementos tiene el mayor numero de protones?
Cd
Ag
In
Sn
5.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
"Son átomos que han ganado o pérdido electrones", el texto anterior se refiere a la siguiente definición
Isotopos
Iones
Isómeros
Isobaros
6.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
En el átomo que se encuentra en la imagen, los valores de Z y A en orden respectivo son
40 y 40
40 y 91
40 y 51
91 y 51
7.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Observe las siguientes representaciones de especies químicas identificadas con números, ¿ Cuántos electrones posee cada especie, en orden respectiva?
30 y 34
28 y 36
35 y 45
32 y 32
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