Question Detail

CHM 102 Radioactivity Objective Question
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Question

What is the definition of half-life for a radioactive isotope?
Options
A The time it takes for an isotope to completely decay.
B The time it takes to lose half its radioactivity.
Correct Answer
C The time required to double its radioactivity.
D The time taken for an atom to change its type.
Correct Answer

Option B is the correct answer.

Detailed Explanation

Page 9 defines half-life as 'The time it takes to lose half its radioactivity.'

Hint

The first bullet point on page 9 provides the definition of half-life.

Question Info

Course: CHM 102
Topic: Radioactivity
Type: Objective
Difficulty: Not specified
Question 1862 of 1999
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