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Suma de atomicidades: óxidos y hidruros metálicos

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Played 1 %Accuracy 100 Average time 01:37

About this activity

Total de átomos por formulario

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Peru

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Suma de atomicidades: óxidos y hidruros metálicos
 

Suma de atomicidades: óxidos y hidruros metálicosOnline version

Total de átomos por formulario

by Pablo César Pacheco Luyo
1

La suma de atomicidades de Fe2O3 (óxido de hierro(III)) es:

2

La suma de atomicidades de Na2O es:

3

La suma de atomicidades de MgO es:

4

La suma de atomicidades de Al2O3 es:

5

La suma de atomicidades de ZnO es:

6

La suma de atomicidades de CaO es:

7

La suma de atomicidades de NaH (hidruro de sodio) es:

8

La suma de atomicidades de MgH2 es:

9

La suma de atomicidades de CaH2 es:

10

La suma de atomicidades de AlH3 es:

Explicación

En Fe2O3 hay 2 Fe y 3 O, total 5 átomos.

Na2O tiene 2 Na y 1 O, total 3 átomos.

MgO tiene 1 Mg y 1 O, total 2 átomos.

Al2O3: 2 Al y 3 O, total 5 átomos.

ZnO: Zn + O = 2 átomos.

CaO: Ca + O = 2 átomos.

NaH tiene Na y H, total 2 átomos.

MgH2: 1 Mg y 2 H, total 3 átomos.

CaH2: 1 Ca y 2 H, total 3 átomos.

AlH3: 1 Al y 3 H, total 4 átomos.

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