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1.1 The particle model

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Question 1
F

The Figure shows the nuclear model of an atom.

Figure

image

a.

Name particle X.

[1]
b.

Name the central part of the atom, Y.

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c.

State the type of charge on Y.

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d.

The Figure is not drawn to scale.

Describe how the radius of Y compares with the radius of the whole atom.

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e.

What is the typical size of an atom?

Choose your answer from the list.

1 × 10-15 m 1 × 10-10 m 1 × 10-5 m 1 × 10-2 m

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Markscheme

1.1 The particle model Questions

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

44 exam-style questions on OCR GCSE Physics 1.1 The particle model, covering 1.1.1 Development of the atomic model, 1.1.2 Structure of the atom, 1.1.3 The size of atoms and small molecules, 1.1.4 Density, 1.1.5 Density and the states of matter, and 1.1.6 Density, mass and volume. Each one has a worked solution and a mark scheme showing where the marks go.

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