
QUIMICA-PRE1-
Authored by Elizabeth Sarmiento
Chemistry
12th Grade
Used 4+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Determina el número atómico (Z) del siguiente núclido
si tiene 48 neutrones. Recuerda que A-Z=n
10
15
24
25
30
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Cuál es el número de masa (A) y el número atómico
(Z) del siguiente núclido si tiene 32 neutrones. Recuerda que A-Z=nº
56 y 28
56 y 32
28 y 32
58 y 32
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
El elemento con número atómico
46 y numero de masa 106
está formado por_______.
46 p+ 152 nº
60 nº y 46 e-
46 nº y 106 e-
46 nº y 152 p+
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Determina la suma de los neutrones de los Núclidos anteriores. Recuerda que A-Z= nº
45
38
47
52
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Calcula el número de protones, neutrones y electrones
que presenta el siguiente ion: +3
27, 13, 13
13, 13, 10
13, 14, 10
27, 14,16
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
-3
Determina la cantidad de electrones que presenta el siguiente Ion:
12
18
29
15
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Determina la suma total de electrones presentes en los siguientes iones
35
30
38
40
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