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The particle model

The particle model

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Question 3

The melting point of lead is 327∘C327^\circ\text{C}327∘C and its boiling point is 1749∘C1749^\circ\text{C}1749∘C.

Which state symbols are used for lead at 25∘C25^\circ\text{C}25∘C and 400∘C400^\circ\text{C}400∘C?

A

At 25∘C25^\circ\text{C}25∘C: s\text{s}s; at 400∘C400^\circ\text{C}400∘C: s\text{s}s

B

At 25∘C25^\circ\text{C}25∘C: s\text{s}s; at 400∘C400^\circ\text{C}400∘C: l\text{l}l

C

At 25∘C25^\circ\text{C}25∘C: l\text{l}l; at 400∘C400^\circ\text{C}400∘C: l\text{l}l

D

At 25∘C25^\circ\text{C}25∘C: s\text{s}s; at 400∘C400^\circ\text{C}400∘C: g\text{g}g

Markscheme

The particle model Questions

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

27 exam-style questions on OCR GCSE Chemistry The particle model. Each one has a worked solution and a mark scheme showing where the marks go.

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