Question

write the chemical formula of all the compound that can be formed by the combination of calcium, potassium, iron, chlorine, sulphate.

Answer 1

Calcium and Carbon
Ca C

2 4
Ca4C2 =Calcium carbonate

Potassium and Oxygen
P O
1 2
P2O= Potassium oxide
Iron and Sulphate
Fe So4
2 2
Fe So4 = ironsulphate
Aluminium and Chlorine
Al Cl
3 1
AlCl3 =aluminium chloride
Potassium and Sulphate
P So4
1 2
P2So4 = Potassium sulphate
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