CONCURSO QUÍMICA MERCEDARIO 2023
Quiz
•
Chemistry
•
9th Grade
•
Hard
Groover VILLANUEVA BUTRON
Used 2+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
5 mins • 2 pts
La diferencia de números de neutrones de dos isótopos
de un elemento es 2 y la suma de los números de masa
es 72. ¿Cuántos neutrones tiene el isótopo más pesado,
si el átomo neutro de dicho elemento contiene 17
electrones?
38,5
34,5
36,5
37,5
35,5
2.
MULTIPLE CHOICE QUESTION
3 mins • 2 pts
La diferencia de los números de masas de dos isótonos
es 12 y la suma de sus números atómicos es 72.
Determine el menor número atómico.
23
42
30
85
37
3.
MULTIPLE CHOICE QUESTION
5 mins • 2 pts
La relación entre el número de masa y el número
atómico de un átomo neutro es de 16 a 7. Si posee 45
neutrones, ¿cuántos electrones posee su catión
divalente?
43
33
35
53
37
4.
MULTIPLE CHOICE QUESTION
3 mins • 2 pts
¿Cuales serian Ios posibles numeros cuánticos que
correspoden a un electrón perteneciente al subnivel 4d?
4, 2, 2, +1/2
4, 0, 0, +1/2
4, 1, 0, -1/2
4, 2, -3, -1/2
4, 3, -2, -1/2
5.
MULTIPLE CHOICE QUESTION
3 mins • 2 pts
Señale el posible juego de números cuánticos para un
electrón ubicado en un subnivel de mayor energía del
tercer nivel.
4, 3, -2, -1/2
3, 2, -3, -1/2
3, 2, -1, +1/2
4, 3, 0, +1/2
3, 1, +1, +1/2
6.
MULTIPLE CHOICE QUESTION
3 mins • 2 pts
Marcar verdadero (V) o falso (F) según corresponda:
V V F
V V V
F V F
V V F
F F F
7.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
¿Qué valores puede asumir « l» cuando: n = 2?
Solo 2
0 y 1
1, 2 y 3
1, 2
0 y 2
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