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1.1 The particle model

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Question 23
H

In the gold foil experiment, about 1 in every 8000 alpha particles was deflected through more than 90∘90^\circ90∘.

Which conclusion is best supported by this result?

[1]
A

The positive charge and most of the mass are in a very small volume

B

The electrons in the atom are arranged in shells at fixed distances

C

The atom is a sphere of positive charge with electrons spread through it

D

The positive charge is spread evenly through the whole volume of the atom

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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