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6 Radioactivity

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Question 139
F

A nucleus has mass number 22 and atomic number 11. It undergoes beta-plus decay. What are the mass number and atomic number of the daughter nucleus?

[1]
A

mass number 222222; atomic number 121212

B

mass number 222222; atomic number 101010

C

mass number 212121; atomic number 101010

D

mass number 212121; atomic number 111111

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6 Radioactivity Questions

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

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