
Reacciones químicas
Authored by Fran Rodríguez
Chemistry
9th Grade
Used 77+ times

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45 questions
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1.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Los átomos y las moléculas son muy pequeños, por eso no tienen masa:
Verdadero
Falso
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Para expresar las masas de los átomos y moléculas, la unidad más adecuada es:
El gramo
El kilogramo
El mol
La unidad de masa atómica
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
El símbolo para expresar la unidad de masa atómica es:
mol
M
u
g
4.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Una unidad de masa atómica (1 u) equivale aproximadamente a la masa de un átomo de hidrógeno
Verdadero
Falso
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Las masas atómicas de los elementos químicos se indican en la tabla periódica:
Verdadero
Falso
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
La masa molecular es la masa de una molécula expresada en unidades de masa atómica:
Verdadero
Falso
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
¿En qué unidad se expresa la masa molecular?
En gramos
En gramos/mol
En u
En miligramos
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