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6 Radioactivity

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Question 59
F

A daughter nucleus has 81 protons and 125 neutrons after one alpha decay. What were the atomic number and mass number of the parent nucleus?

[1]
A

atomic number 838383; mass number 208208208

B

atomic number 858585; mass number 210210210

C

atomic number 838383; mass number 210210210

D

atomic number 797979; mass number 202202202

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6 Radioactivity Questions

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

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