A cube of a solid has sides of length 1 × 10-7 m. The cube is divided into cubes with sides of length 1 × 10-9 m.
What is the total surface area of all of the smaller cubes?
6×104 nm26 \times 10^4\ \text{nm}^26×104 nm2
6×105 nm26 \times 10^5\ \text{nm}^26×105 nm2
6×106 nm26 \times 10^6\ \text{nm}^26×106 nm2
6×108 nm26 \times 10^8\ \text{nm}^26×108 nm2
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.