
Número de oxidación
Authored by MAR ZUÑIGA
Chemistry
8th Grade
Used 11+ times

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7 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué representa el número de oxidación?
Una reacción química
La ganancia o pérdida de electrones de un elemento.
Un enlace químico
La ganancia o pérdida de protones de un elemento
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cuando un elemento se oxida __________ electrones.
Transfiere
Gana
Pierde
Neutraliza
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué números de oxidación utilizan los elementos de este compuesto?
H = -1 O = +2
H = +1 O = -2
H = +1 O = -1
H = +2 O = +2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuántos electrones necesita un elemento en su última orbita o nivel de energía para ser químicamente estable?
6 electrones
2 electrones
1 electrón
8 electrones
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuáles son los números de oxidación para hidrógeno y cloro cuando forman una molécula de ácido clorhídrico ?
H = -1 Cl = +1
H = +1 Cl = +1
H = +1 Cl = -1
H = -1 Cl = -1
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
¿Qué número de oxidación se asigna a "Na" Sodio cuando participa en un enlace químico para formar hidróxido de Sodio?
-1
-2
+1
+2
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
¿Qué sucede con un elemento que es agente oxidante?
Se reduce y gana electrones
Se oxida y pierde electrones
Se reduce y pierde electrones
Se oxida y gana electrones
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