Prueba 2do medio A
9th Grade
•25 Qs
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Prueba 2do medio A
Quiz
•
Chemistry
•
9th Grade
•
Practice Problem
•
Hard
Mackarena Quilán
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25 questions
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1.
FILL IN THE BLANK QUESTION
10 mins • 1 pt
¿Qué estado de oxidación puede tener el hidrógeno?
2.
FILL IN THE BLANK QUESTION
10 mins • 1 pt
¿La valencia de un elemento puede ser negativa? justifique su respuesta
3.
FILL IN THE BLANK QUESTION
10 mins • 1 pt
¿Cuántos estados de oxidación posee el oxígeno? justifique
4.
FILL IN THE BLANK QUESTION
10 mins • 1 pt
Complete el mapa conceptual, indicando el numero y la palabra que falta.
5.
FILL IN THE BLANK QUESTION
10 mins • 1 pt
Calcule el estado de oxidación de la siguiente molécula:
H2S
6.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
¿Cuál es el estado de oxidación de un elemento sin combinar? por ejemplo Al, H2, O2
+1
0
-1
+2
7.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
Identifique el estado oxidación del siguiente elemento: K
-1
+2
-3
+1
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