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4.2 Atoms and nuclear radiation

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Question 5
F

A nucleus emits an alpha particle. What happens to the mass number and to the atomic number of the nucleus?

[1]
A

The mass number falls by 2 and the atomic number falls by 4

B

The mass number falls by 4 and the atomic number falls by 2

C

The mass number stays the same and the atomic number falls by 2

D

The mass number falls by 4 and the atomic number stays the same

Markscheme

4.2 Atoms and nuclear radiation Questions

  1. GCSE
  2. /Physics
  3. /4.2 Atoms and nuclear radiation

40 exam-style questions on AQA GCSE Physics 4.2 Atoms and nuclear radiation, covering 4.2.1 Radioactive decay and nuclear radiation, 4.2.2 Nuclear equations, 4.2.3 Half-lives and the random nature of radioactive decay, and 4.2.4 Radioactive contamination. Each one has a worked solution and a mark scheme showing where the marks go.

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