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1.1 The particle model

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Question 4
F

A substance melts at −12 ∘C-12\,^\circ\mathrm{C}−12∘C and boils at 46 ∘C46\,^\circ\mathrm{C}46∘C. At 20 ∘C20\,^\circ\mathrm{C}20∘C, which particle model should represent the substance? Assume ordinary laboratory conditions and no chemical change.

[1]
A

Closely packed particles vibrating about fixed positions

B

Widely spaced particles moving randomly through the container

C

Closely spaced particles moving past one another

D

Widely spaced particles held in a regular arrangement

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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