The list below shows four different chemical species and particulate matter.
helium atomcoarse dust particlecarbon dioxide moleculetitanium dioxide nanoparticleWrite the names of these species in order of increasing size, starting with the smallest.
Practise Edexcel GCSE Chemistry Bulk and surface properties of matter including nanoparticles with exam-style questions for Foundation and Higher tier. 63 questions, matched to the Edexcel GCSE Chemistry (1CH0) 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.