
EVALUACIÓN QUÍMICA 9°
Authored by Monica Tamayo
Chemistry
9th Grade
20 Questions
Used 12+ times

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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Según el siguiente diagrama de orbitales su Z, grupo y periodo son:
17, 3 y VII A
18, VII A y 3
17, VII A y 3
18, 3 y VII A
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
La configuración electrónica del Kriptón es 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 es decir que su grupo y periodo es respectivamente
VIII A y 4
XVI A y 3
VI A y 4
IV A y 6
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Si el tecnecio tiene Z: 43 y A: 98, sus n°, p+ y e- serian:
54, 43 y 43
43, 43 y 43
55, 43 y 43
43, 43 y 55
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Los electrones y neutrones de este elemento son
33 y 42
42 Y 33
108 Y 42
33 Y 108
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Los niveles de energía y masa atómica del elemento son respectivamente
5 y 4 gr
4 y 75 gr
4 y 5 gr
4 y 33 gr
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
N5O2
2N2O5
N2O5
N2O3
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
La configuración electrónica del fosforo es 1s2 2s2 2p6 3s2 3p3 lo cual indica que su número atómico es:
5
3
2
15
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