Question

What is the chemical formula? What are its characteristics?

Answer 1

Chemical formula -

• A chemical formula is a representation of a substance's molecule's composition in terms of the symbols representing the components that make up the molecule.
• For example - the chemical formula of Sodium chloride is $\mathrm{NaCl}$, etc.

Characteristics of the chemical formula are as follows -

• A chemical formula represents the fixed number of atoms that combines to form a compound.
• A chemical formula is a representation of all the elements present in a molecule in a symbolic manner.
• In a chemical formula, the subscript represents the number of atoms of each element that combines to form a compound.