Properties of materials

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Question 25
Medium

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.

a.

How many orders of magnitude larger is the diameter of the gold microparticle than the gold atom?

Select one:

  • Three
  • Six
  • Nine
[1]
b.

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.

[3]

Properties of materials Questions

  1. GCSE
  2. /Chemistry
  3. /Properties of materials