
selección 2, TEMA 4
Authored by jorge barrera
Chemistry
1st Grade
Used 5+ times

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6 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
1. Hallar la suma del número de subniveles de energía y niveles de energía que presenta el átomo de silicio (Z=14)
a) 9
4
c) 5
d) 8
e) 12
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
1. Señale un elemento con 8 electrones en su capa externa.
a) 8O
b) 9F
c) 6C
d) 10Ne
e) 19K
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
1. Al aplicar la regla de construcción (AUFBAU) y la regla de Hund, un elemento químico queda con 3 orbitales semillenos en el tercer nivel de energía. ¿Cuál de los siguientes podría ser el número atómico del elemento descrito?
a) 16
b) 19
c) 23
d) 28
e) 30
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
1. La configuración electrónica de un átomo termina en 3d6 y posee 30 neutrones. Determine su número de masa.
a) 58
b) 59
c) 60
d) 62
e) 56
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
1. El penúltimo electrón de un átomo presenta los números cuánticos 4, 1, -1, +1/2. Indique su número de orbitales saturados.
a) 10
b) 13
c) 12
d) 14
e) 15
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
1. Hallar el número máximo de electrones que puede contener un átomo con 2 subniveles “p” llenos.
a) 53
b) 36
c) 35
d) 54
e) 37
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