Quizizz 2

Quizizz 2

8th - 10th Grade

10 Qs

quiz-placeholder

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Quizizz 2

Quizizz 2

Assessment

Quiz

Chemistry

8th - 10th Grade

Practice Problem

Medium

Created by

Mabel Camilo

Used 7+ times

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10 questions

Show all answers

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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