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6 Radioactivity

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Question 112

A student uses counters to model the protons and neutrons in nuclei.

a.

Model A represents a nucleus containing 14 protons and 18 neutrons.

The nucleus undergoes beta-minus decay.

State the number of protons and the number of neutrons in the daughter nucleus.

[2]
b.

Model B represents a nucleus containing 17 protons and 20 neutrons.

The nucleus emits gamma radiation.

State the number of protons and the number of neutrons in the nucleus after the emission.

[2]
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6 Radioactivity Questions

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

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