Skip to content

Course home

Sign up

6.3 Nuclear equations and decay

EasyMediumHard
12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364
Question 26

A monitoring system records the mass number and atomic number during a two-stage nuclear decay process.

measurementmass numberatomic number
before the first emission15062
after the first emission15063
after the second emission14661

Three records give different accounts of the process.

recordfirst emissionsecond emission
Palphabeta-minus
Qbeta-minusalpha
Rbeta-plusalpha
a.

Evaluate which record is consistent with all the measurements.

[5]
b.

The measurement made after the first emission is lost.

Explain why the remaining measurements cannot show whether record P or record Q gives the correct order.

[2]
Markscheme

6.3 Nuclear equations and decay Questions

  1. GCSE
  2. /Physics
  3. /6.3 Nuclear equations and decay

120 exam-style questions on Edexcel GCSE Physics 6.3 Nuclear equations and decay, covering 6.3.1 Beta-minus and beta-plus decay, 6.3.2 Effects of decay on the nucleus, and 6.3.3 Balancing nuclear equations. Each one has a worked solution and a mark scheme showing where the marks go.

Question bank