
Reactividad-estabilidad-números de oxidación
Authored by Herminia Gómez
Chemistry
12th Grade
Used 14+ times

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18 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
El rubidio Rb se localiza en el grupo I de la tabla periódica por lo que su reactividad del elemento es
Muy alta
Muy baja
Medianamente alta
Medianamente baja
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Si se combinan dos elementos muy reactivos el compuesto resultante es:
Poco estable
Medianamente Estable
Estable
muy reactivo
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Los metales más reactivos se los podemos encontrar en la naturaleza de forma:
libre
combinada
de átomo
aislada
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
La oxido-reducción se define como
La ganancia de electrones
Transferencia de electrones
Pérdida de electrones
Reacciolnes químicas sin la intervención de electrones
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Los siguientes iones corresponden a cationes
Ca 2+; Cu1+; Cl1-
Na1+; Li1+; Be2+
Br1- ; F1- ; S2-
K; Cd; H
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cuál es el número de oxidación del azufre en el "Fe2S3 " sufuro de hierro (III)
2+
2-
3-
6-
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
El sodio es un metal alcalino, por lo que su número de oxidación es de:
1+
2+
0
1-
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