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JAMB Chemistry 2000 Question 12

Question 12

Radioactivity

The knowledge of half-life can be used to

  1. A.create an element
  2. B.detect an element
  3. C.split an element
  4. D.irradiate an element
Show the answer and explanation

Answer: B (detect an element)

Explanation

Each radioactive isotope has its own fixed half-life, so measuring the half-life helps to identify (detect) the element.