Quizizz 2
Quiz
•
Chemistry
•
8th - 10th Grade
•
Practice Problem
•
Medium
Mabel Camilo
Used 7+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
La unidad de medida "uma" corresponde a:
Unidad de medida atómica
Unidad métrica atómica
Unidad de masa atómica
Unión de muchos átomos
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
La masa molar del NH3 es:
8 g/mol
10 g/mol
15 g/mol
17 g/mol
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Dos moléculas de agua tienen una masa de:
18 uma
36 uma
18g
36 g
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
La masa del átomo se obtiene sumando:
Protones y electrones
Neutrones y electrones
Protones y neutrones
Protones, neutrones y electrones
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
La unidad que mide la cantidad de sustancia en química según el sistema internacional de unidades es
Mol
Gramo
UMA
Litro
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
El valor del número de Avogadro es:
1,66 x 10^{-27}
1,66 x 10^{23}
6,02 x 10^{23}
6,02 x 10^{-27}
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
La masa molecular del Ca(OH)2 es:
29 g/mol
29 uma
74 g/mol
74 uma
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