Four researchers investigate structures with different ranges of sizes.
| Researcher | Range of structure sizes |
|---|---|
| A | 0.2 nm0.2\ \text{nm}0.2 nm to 0.9 nm0.9\ \text{nm}0.9 nm |
| B | 4 nm4\ \text{nm}4 nm to 75 nm75\ \text{nm}75 nm |
| C | 120 nm120\ \text{nm}120 nm to 900 nm900\ \text{nm}900 nm |
| D | 3000 nm3000\ \text{nm}3000 nm to 8000 nm8000\ \text{nm}8000 nm |
Which researcher is investigating structures entirely within the size range studied in nanoscience?
Researcher A
Researcher C
Researcher D
Researcher B
104 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.