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1.1 The particle model

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Question 19

A jeweller makes a pendant by casting tin in a mould. Tin has a melting point of 232 ∘C232\,^\circ\mathrm{C}232∘C and a boiling point of 2602 ∘C2602\,^\circ\mathrm{C}2602∘C. The tin is at 300 ∘C300\,^\circ\mathrm{C}300∘C when it goes into the mould, and it is left until it reaches 25 ∘C25\,^\circ\mathrm{C}25∘C.

Describe the differences between the tin particles at 300 ∘C300\,^\circ\mathrm{C}300∘C and at 25 ∘C25\,^\circ\mathrm{C}25∘C, in terms of how they are arranged, how they move and how close together they are.

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1.1 The particle model Questions

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

93 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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