Ing of a polystyrene sample (Mn,; Mw,), Polymers Questions, Worksheets, and Revision for GCSE Combined Science and Chemistry. Polymers are formed by linking monomers through chemical reaction — called polymerization FinalExamFinal Exam Introduction to Polymers (each part, a,b,c,, is worth points) 1) Polymers are different than low-molecular weight oligomers. Short Answer Type. For example an oligomeric polyethylene is wax, oligomeric polystyrene is similar to naphthalene (moth balls), oligomeri