What is meant by the term chemical formula?

A chemical formula is a symbolic representation of a chemical compound that provides information about the types and proportions of atoms present in the compound. It consists of chemical symbols for the elements involved, along with numerical subscripts indicating the number of atoms of each element in the compound's molecular structure.

For example, the chemical formula for water is H2O, where "H" represents hydrogen and "O" represents oxygen. The subscript "2" indicates that there are two hydrogen atoms bonded to one oxygen atom in each molecule of water. Similarly, the chemical formula for carbon dioxide is CO2, where "C" represents carbon and "O" represents oxygen, and the subscript "2" indicates that there are two oxygen atoms bonded to one carbon atom in each molecule of carbon dioxide.

Chemical formulas are used to convey information about the composition of substances in a concise and standardized manner, essential for understanding and communicating about chemical reactions and properties of compounds.