Question Detail

CHM 102 Radioactivity Objective Question
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Question

What specific aspect does the 'half-life' of a radioactive isotope refer to?
Options
A The time it takes for an atom to disintegrate completely.
B The time it takes to lose half its radioactivity.
Correct Answer
C The total lifespan of a radioactive element.
D The number of atoms that decay per second.
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

Recall the definition of 'Half-life' at the beginning of page 9.

Question Info

Course: CHM 102
Topic: Radioactivity
Type: Objective
Difficulty: Not specified
Question 1845 of 1999
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