RECORDANDO PRIMERO...............

Quiz
•
Chemistry
•
6th - 7th Grade
•
Hard
Ariel Alvarez
Used 1+ times
FREE Resource
5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
El cambio de estado sólido-gas corresponde a
FUSIÓN
SUBLIMACION
DEPOSICION
EVAPORACION
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Todas las valencias del nitrógeno son
+2,+4
-3,+1,+2,+3,+4,+5
-3,+1,+2,+3,+4,+5,+7
-3,+3,+5,+7
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cualquier material que tiene composición química definida es:
Una sustancia
El mineral de plomo-plata-zinc
El aire
Todos los anteriores
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Una fórmula química es
Algo explosivo
No sabría decirle
La representación gráfica de un compuesto químico
NINGUNO
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
EL NUMERO DE PROTONES QUE EXISTE EN EL NUCLEO SE DENOMINA
NÚMERO ATOMICO
NÚMERO DE MASA
CARGA
PESO ATÓMICO
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