Question

What is meant by the term chemical formula? Demonstrate the formula to write (I) Amonium sulphate(ii)calcium hydroxide​

Answer 1

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Chemical formula are used to describe the types of atoms & their numbers in an element on compound. 

Answer 2

Answer:

Chemical formula are used to describe the types of atoms & their numbers in an element on compound. The atoms of each element are represented by one or two different letters. A set of chemical symbols showing the elements present in a compound & their relative proportions.

I) Ammonium Sulphate–(NH₄)₂SO₄

ii)Calcium hydroxide-Ca(OH)₂