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1.1 The particle model

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Question 9
F

Equal volumes of liquid X and gaseous X are compared. Each particle of X has the same mass in both states. Why is there usually much less mass of X in the gas sample?

[1]
A

Particles have no mass when they are in a gas

B

Gas particles are much smaller than liquid particles

C

Gas particles move, but liquid particles do not

D

The widely separated gas particles mean fewer particles occupy the same volume

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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