Match each statement about forces of attraction to the correct description. Covalent bonds are classified as Covalent bonds are classified as drop zone empty. Intermolecular forces Intermolecular forces drop zone empty. The physical state of a molecular substance at a particular temperature and pressure depends on the strength of its The physical state of a molecular substance at a particular temperature and pressure depends on the strength of its drop zone empty. A change in the physical state of a molecular substance does NOT involve the breaking of