
Estructura Atómica
Authored by Jose Llontop
Science
4th Grade
Used 12+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
El elemento con número atómico 8 y
número de masa 18, está formado por
________.
8 protones y 8 neutrones
9 electrones y 8 neutrones
9 protones y 11 neutrones
9 protones y 8 electrones
8 protones y 10 neutrones
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Si el número de masa de un átomo es 63, y el número de neutrones es de 5 unidades más que el número de
electrones, calcula el número de protones.
26
58
29
34
52
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Si el ion x2+ tiene el mismo número de
electrones que el ion 15y 2–
, calcula elnúmero atómico de «x».
19
17
18
20
21
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Si en un anión trivalente la suma de sus números de masa y de electrones es 49 y tiene 16 neutrones, determina su número másico.
15
27
34
16
31
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
15.Si el átomo «X» es isobaro en el 40K19 e isótono con el 41 Se 21, ¿cuál es la carga nuclear del ion x+?
19
24
20
22
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dos isótopos del elemento de z = 15,poseen números de masa consecutivos;si el más pesado es isóbaro con 32S,entonces indicar el número de neutrones del isótopo más liviano.
16
15
20
21
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
La suma de los números de masa de 2
isótopos es 84 y la suma de sus
neutrones, 44. Calcula el número atómico
del isótopo.
20
22
18
24
21
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