Which statement about nanoparticulate materials is not correct?
Nanoparticles typically consist of only one or two atoms.
Nanoparticles have an extremely large surface area to volume ratio.
Nanoparticulate materials, such as titanium dioxide, can be used in sunscreens.
High reactivity makes some nanoparticulate materials excellent catalysts.
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.