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1.2 Atomic structure

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Question 4

A student measures the width of a strip of zinc foil three times. The radius of a zinc atom is 0.13 nm0.13\,\text{nm}0.13nm.

MeasurementWidth of strip (mm)
10.84
20.86
30.85

Use the measurements and the atomic radius to estimate how many zinc atoms could be arranged edge-to-edge across the strip.

[2]
Markscheme

1.2 Atomic structure Questions

  1. GCSE
  2. /Chemistry
  3. /1.2 Atomic structure

101 exam-style questions on OCR GCSE Chemistry 1.2 Atomic structure, covering 1.2.1 Development of the atomic model, 1.2.2 The nuclear model and the size of atoms, and 1.2.3 Subatomic particles in atoms and ions. Each one has a worked solution and a mark scheme showing where the marks go.

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