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Diagnóstico
Quiz
•
Chemistry
•
1st - 12th Grade
•
Practice Problem
•
Medium
catalina maulen
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17 questions
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1.
OPEN ENDED QUESTION
30 sec • 1 pt
En la tabla periódica redox, se puede ver que el grupo 2 siempre trabaja con el número de oxidación _____
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2.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
En la siguiente fórmula Li2S el no metal está trabajando con número de oxidación igual a:
1+
2+
2-
1-
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Un elemento se reduce cuando_____________ electrones.
Pierde
Gana
Transfiere
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Que dato se toma para determinar si una reacción es REDOX?
Diferencia de Electronegatividad
Masa molar
Cambio del Número de oxidación
Modificación del Número Atómico
5.
FILL IN THE BLANK QUESTION
30 sec • 1 pt
cuales son los Números de oxidación de cada uno de los átomos en el compuesto H3PO4, (escribir los números de oxidación con su signo correspondiente en los espacios
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
en la ecuación PBr3 + H20 -----> HBr + H3PO3, el número de oxidación del Br en reactivo y producto
3-, 1-
falta información
1-, 1-
no lo puedo saber, 1-
1-, 0
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sustancias como el KOH, NaOH y el NH3; son ejemplos de sustancias...
Básicas
Ácidas
Sales
Oxoácidas
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