Final answer:
Table sugar is mostly made of the molecule sucrose, which is a disaccharide composed of glucose and fructose.
Step-by-step explanation:
Table sugar is made of the molecular compound sucrose (C₁₂H₂₂O₁₁). Sucrose consists of a glucose molecule and a fructose molecule bonded together. It is a disaccharide, which means it is made up of two sugar molecules.