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6 Radioactivity

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Question 39

Nucleus R contains 17 protons and 18 neutrons.

a.

Calculate the mass number of nucleus R.

[1]
b.

Nucleus S is an isotope of nucleus R. Nucleus S has a mass number of 37.

Calculate the number of neutrons in nucleus S.

[2]
Markscheme

6 Radioactivity Questions

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

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