Why can nanoparticles behave differently from the same material in bulk?
They have a much smaller surface area to volume ratio
They have a much larger surface area to volume ratio
The bonds between their atoms are much stronger
Their atoms are much smaller than atoms in bulk
36 exam-style questions on Edexcel GCSE Chemistry 10.5 Bulk and surface properties of matter including nanoparticles, covering 10.5.1 Nanoparticles: size, uses and risks and 10.5.2 Comparing and selecting materials. Each one has a worked solution and a mark scheme showing where the marks go.