Consider a cube-shaped nanoparticle. As the side length of the nanoparticle decreases from 100 nm100\text{ nm}100 nm to 10 nm10\text{ nm}10 nm, how does its surface area to volume ratio change?
It decreases by a factor of 101010.
It remains constant.
It increases by a factor of 101010.
It increases by a factor of 100100100.
48 exam-style questions on OCR GCSE Chemistry Properties of materials. Each one has a worked solution and a mark scheme showing where the marks go.