| a chemical formula that indicates the kinds of atoms and the number of each kind in a molecule of a compound. |
| molecular formula n. A chemical formula that shows the number and kinds of atoms in a molecule. |
molecular formula n.
A chemical formula that shows the number and kinds of atoms in a molecule.
| molecular formula
A chemical formula that shows the total number and kinds of atoms in a molecule, but not their structural arrangement. For example, the molecular formula of aspirin is C9H8O4. Compare empirical formula, structural formula. |