Skip to content

Course home

Sign up

6.3 Nuclear equations and decay

EasyMediumHard
12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667
Question 36

Sodium-24 is a radioactive isotope with a half-life of 15 hours.

The activity of a sample of sodium-24 is 640 Bq.

Calculate the activity of the sample after 45 hours.

[2]
Markscheme

6.3 Nuclear equations and decay Questions

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

90 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