The table gives the diameter of four objects.
Table: The diameter of four objects
| Object | Diameter in nm |
|---|---|
| Atom of carbon | 0.15 |
| Molecule of water | 0.28 |
| Nanoparticle of gold | 30 |
| Fine particle of soot | 1200 |
How many times larger is the diameter of the nanoparticle of gold than the diameter of the atom of carbon?
20
200
2000
20 000
40 exam-style questions on AQA GCSE Chemistry 2.4 Bulk and surface properties of matter including nanoparticles, covering 2.4.1 Sizes of particles and their properties and 2.4.2 Uses of nanoparticles. Each one has a worked solution and a mark scheme showing where the marks go.