What is empirical formula? Md. Saifur Rahman The formula which shows the ratio of the number of atoms of different elements present in a molecule is called the empirical formula.You may likeDo I need car insurance?What is car insurance?How could I get cheaper car insurance?What is auto insurance?Why Adulterant food is the barrier to sound health?What are the producers?What are food preservatives?What is food chain?What is tertiary consumer?