A titanium dioxide nanoparticle used in sunscreens has a diameter of 4.8 × 10-8 m.
What is the diameter of this titanium dioxide nanoparticle in nanometres (nm\text{nm}nm)?
480480480
484848
4.84.84.8
0.480.480.48
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.
