Question

1. Write the molecular formula of a diatomic gas and a triatomic gas.
2. Name the term used for the symbolic representation of a molecule of an element or a
compound? Give an example of it.​

Answer 1

1. Example of a diatomic gas: HCl , H2 , Cl2 , O2

    2.The symbolic representation of a molecule of an element or compound            is known as chemical formula.

example: sodium hydroxide (NaOH)