Zinc oxide can be produced as nanoparticles and as fine particles. Nanoparticles have a very high surface area to volume ratio.
A nanoparticle of zinc oxide is a cube of side 45 nm45\text{ nm}45 nm.
Calculate the total surface area of this nanoparticle of zinc oxide.
Give your answer in standard form.
Bulk and surface properties of matter including nanoparticles (chemistry only) Questions
Practise AQA GCSE Chemistry Bulk and surface properties of matter including nanoparticles (chemistry only) with exam-style questions for Foundation and Higher tier. 20 questions covering Sizes of particles and their properties and Uses of nanoparticles, matched to the AQA GCSE Chemistry (8462) specification and written in Paper 1 and Paper 2 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.