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1.1 The particle model

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Question 22
H

For a particular gas, the particle diameter is 0.20 nm and the typical distance between particle centres is 6.0 nm. A scale model uses spheres of diameter 3.0 mm. If both size and spacing use the same scale, what gap should be left between the surfaces of neighbouring model spheres?

[1]
A

90 mm

B

87 mm

C

5.8 mm

D

30 mm

Markscheme

1.1 The particle model Questions

  1. GCSE
  2. /Chemistry
  3. /1.1 The particle model

48 exam-style questions on OCR GCSE Chemistry 1.1 The particle model, covering 1.1.1 The particle model and changes of state and 1.1.2 Limitations of the particle model. Each one has a worked solution and a mark scheme showing where the marks go.

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