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2.4 Bulk and surface properties of matter including nanoparticles

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Question 16

An electronics manufacturer makes silicon nanowires for very small electronic components. The quality-control measurements are shown in the table.

MeasurementDiameter in nm\text{nm}nm
One silicon atom0.22
One nanowire47

Calculate how many silicon atom diameters would fit across the diameter of one nanowire.

Give your answer to 2 significant figures.

[2]
Markscheme

2.4 Bulk and surface properties of matter including nanoparticles Questions

  1. GCSE
  2. /Chemistry
  3. /2.4 Bulk and surface properties of matter including nanoparticles

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.

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