Question Detail

CHM 102 Radioactivity Objective Question
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Question

What is the definition of half-life in the context of radioactive isotopes?
Options
A The time it takes for an isotope to completely lose its radioactivity.
B The time it takes for an isotope to lose half its radioactivity.
Correct Answer
C The time required for an isotope to double its radioactivity.
D The average lifespan of a single radioactive atom.
Correct Answer

Option B is the correct answer.

Detailed Explanation

Page 9 states: 'The half-life of a radioactive isotope is the time it takes to lose half its radioactivity.'

Hint

Refer to the definition of 'Half-life' on page 9.

Question Info

Course: CHM 102
Topic: Radioactivity
Type: Objective
Difficulty: Not specified
Question 1833 of 1999
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