In this article, we’re going to go over how to convert basic chemical formulas, such as C9H804 (aspirin), into its molecular structure, and visa versa. Such knowledge might be elementary ...

The chemical formula of a covalent molecular substance ... the simplest ratio of atoms/ions in the substance. Sometimes the name of the compound gives information about the formula of that compound.

Elements bond in fixed ratios and so can be represented by a chemical formula. For example, sodium chloride has the same number of sodium ions and chloride ions, so its formula is NaCl ...