5. _________ is a crystalline’s basic repetitive structural unit. a) Monomer b) Molecule c) Unit cell d) Atom
Answer: c Explanation: A crystalline solid is made up of numerous tiny crystals, each of which is referred to as a unit cell. It's a distinct term. A polymer's basic unit is a monomer, and atoms create molecules, which can then be arranged to form solids, liquids, or gasses.
