Chemistry In Focus
Chemistry In Focus
6th Edition
ISBN: 9781305084476
Author: Tro, Nivaldo J., Neu, Don.
Publisher: Cengage Learning
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Chapter 8, Problem 55E
Interpretation Introduction

Interpretation:

The time required for the decay of technetium-99m to one eighth of its initial amount with a half-life of 6.0 hours is to be calculated.

Concept Introduction:

The half-life of a radioactive substance is the time in which the amount of the given radioactive substance is reduced to half of its initial value. The half-life for a given substance is represented by t1/2.

After each half-life period, the amount of the substance is reduced to half of the initial number.

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