Particles with diameters between 1 nm1\text{ nm}1 nm and 100 nm100\text{ nm}100 nm are classified as nanoparticles. A specific engineered nanoparticle has a diameter of 10 nanometres10\text{ nanometres}10 nanometres. Which of the following represents 10 nanometres10\text{ nanometres}10 nanometres in metres, written in standard form?
1×10−7 metres1 \times 10^{-7}\text{ metres}1×10−7 metres
1×10−8 metres1 \times 10^{-8}\text{ metres}1×10−8 metres
1×10−9 metres1 \times 10^{-9}\text{ metres}1×10−9 metres
1×10−10 metres1 \times 10^{-10}\text{ metres}1×10−10 metres
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.
