A gold atom has a diameter of 2.7×10−10 m2.7 \times 10^{-10}\text{ m}2.7×10−10 m.
A gold microparticle has a diameter of 4.2×10−4 m4.2 \times 10^{-4}\text{ m}4.2×10−4 m.
How many orders of magnitude larger is the diameter of the gold microparticle than the gold atom?
Select one:
Calculate the number of gold atoms that can fit along the diameter of the gold microparticle.
Give your answer in standard form to 1 decimal place.
48 exam-style questions on OCR GCSE Chemistry Properties of materials. Each one has a worked solution and a mark scheme showing where the marks go.