Question

What is mean by the term chemical formula

Answer 1

chemical formula is a molecular form of writing a reaction
ex...magnesium +oxygen ---> magnesium oxide
it can be represented in the chemical formula as
2Mg +O2 ---> 2Mg0

Answer 2

The chemical formula is a term used to describe every chemicals in a short method to understand it and to reduce the time in the exams while writing their full names.