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5.2.3a Radioactive decay

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Question 39

A uranium nucleus with nucleon number 238 decays by emitting an α\alphaα-particle.

The proton number of uranium is 92.

What are the nucleon number and proton number for the nucleus produced by this decay?

A

Nucleon number: 234, Proton number: 90

B

Nucleon number: 234, Proton number: 91

C

Nucleon number: 238, Proton number: 90

D

Nucleon number: 238, Proton number: 91

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5.2.3a Radioactive decay Questions

  1. IGCSE
  2. /Physics
  3. /5.2.3a Radioactive decay

120 exam-style questions on CIE IGCSE Physics 5.2.3a Radioactive decay. Each one has a worked solution and a mark scheme showing where the marks go.

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