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1.2 Atomic structure

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Question 19
H

A student models a row of 12 000 identical atoms placed side by side in a straight line, touching each other.

The row is 0.0036 mm long.

What is the radius of one atom?

[1]
A

1.5×10−10 m1.5\times10^{-10}\,\mathrm{m}1.5×10−10m

B

3.0×10−10 m3.0\times10^{-10}\,\mathrm{m}3.0×10−10m

C

1.5×10−7 m1.5\times10^{-7}\,\mathrm{m}1.5×10−7m

D

3.0×10−7 m3.0\times10^{-7}\,\mathrm{m}3.0×10−7m

Markscheme

1.2 Atomic structure Questions

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

51 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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