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6 Radioactivity

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Question 116

A radioactive nucleus has mass number 39 and atomic number 17. It emits one neutron. The daughter nucleus then undergoes beta-minus decay.

a.

State the mass number and atomic number of the nucleus after both decays.

[2]
b.

Explain the changes in mass number and atomic number during the two decays.

[4]
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6 Radioactivity Questions

  1. GCSE
  2. /Physics
  3. /6 Radioactivity

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