Question

1. Count the atoms in the following compounds

1. Aluminium hydroxide

2. 2 molecule of Zinc bromide

3. 3 molecules Aluminium hydroxide

II. Balance the given chemical equation

1. Mg + O2 Mgo​

Answer 1

Answer:

Al(OH)^3

2ZnBr

3Al(OH)3

2Mg +O2 ======= 2MgO