Silver nanoparticles are used in some antibacterial sports socks to prevent odor-causing bacteria from growing.
An atom of silver has a diameter of about 0.28 nm0.28\text{ nm}0.28 nm.
A silver nanoparticle might have a diameter of about:
0.02 nm0.02\text{ nm}0.02 nm
0.28 nm0.28\text{ nm}0.28 nm
35 nm35\text{ nm}35 nm
5 mm5\text{ mm}5 mm
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.
