Physics 9702 · AS & A Level · Elastic and plastic behaviour
Elastic and plastic behaviour — practice question
(main)[5]
Briefly describe the structural features of crystalline solids, polymers and amorphous materials.
(a)
Describe the structural arrangement found in crystalline solids.
(b)
Describe the structural arrangement of polymers.
(c)
Describe the structural arrangement of amorphous materials.
Worked solution & mark scheme
This 5-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Crystalline: atoms/ions/particles are arranged in a regular lattice with long-range order; this lattice repeats itself” …