The table below shows how the surface area to volume ratio of cubic nanoparticles changes as their side length increases.
| Side length of cubic nanoparticle (nm) | Surface area : volume ratio |
|---|---|
| 24 | 2:8 |
| 48 | 2:16 |
| 72 | 2:24 |
| 96 | 2:32 |
| 120 | 2:40 |
What is the surface area:volume ratio for a cubic nanoparticle with a side length of 144 nm?
2:362:362:36
2:442:442:44
2:482:482:48
2:722:722:72
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.
