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6 Radioactivity

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Question 34

A radium nucleus emits an alpha particle. Its daughter nucleus then emits gamma radiation and is left with 136 neutrons. How many neutrons were in the radium nucleus before either emission?

[1]
A

134134134

B

132132132

C

140140140

D

138138138

Markscheme

6 Radioactivity Questions

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

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