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6 Radioactivity

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Question 10

A nucleus containing 140 neutrons goes through a decay sequence that contains only alpha and beta-minus decays.

For all the particles emitted during the sequence, the total of their mass numbers is 24 and the total of their charge numbers is +9.

Determine the number of alpha decays, the number of beta-minus decays and the number of neutrons in the final nucleus.

[3]
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6 Radioactivity Questions

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

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