
2do Repaso C.E.
Authored by Dario Gaspar
Chemistry
8th Grade
Used 23+ times

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7 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
La configuración electrónica correcta para el rubidio (Z=37) seria:
1s2 2s2 2p6 3s2 3p6 4s2 3d10
1s2 2s2 2p6 3s2 3p6 3d2 3d10 4p6 5s1
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s1
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p5 5s2
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Qué elemento tiene la siguiente configuración electrónica:
1s22s22p63s23p64s13d5
Ti
V
Cr
Mn
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
El Telurio (52Te) tiene la configuración:
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s1
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s24d105p4
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5p4
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s25p4
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
La distribución electrónica del Br (Z= 35) es:
1s22s22p63s23p64s23d104p5
1s22s22p63s23p64s24p63d9
1s22s23s23p64s23d104p65s25p3
1s22s23s23p64s24p63d103f5
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
La siguiente configuración electróncia 1s2 2s2 2p6 3s2 3p6 4s2 3d3. Nos indica que el elemento tiene
Z= 23
Z=22
Z=24
Z=12
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Este elemento tiene 21 electrones, por lo tanto su número atómico es Z=21. cuál será su configuración elecctrónica
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
La siguiente configuración electróncia 1s2 2s2 2p6 3s2 3p6 4s1 3d10. Nos indica que el elemento tiene
Z= 28
Z=30
Tienen 3 niveles de energía
Tienen 4 niveles de energía
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