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6 Radioactivity

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Question 10

A detector identifies the daughter from an alpha decay as 88224Ra_{88}^{224}\text{Ra}88224​Ra. What numbers of protons and neutrons were present in the parent nucleus?

[1]
A

909090 protons; 136136136 neutrons

B

868686 protons; 134134134 neutrons

C

909090 protons; 138138138 neutrons

D

888888 protons; 138138138 neutrons

Markscheme

6 Radioactivity Questions

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

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