Sodium-24 Has a Half-Life of 15 Hours

question 26

Multiple Choice

Sodium-24 has a half-life of 15 hours. How many hours is three half-lives?

• A)15 hours
• B)45 hours
• C)7.5 hours
• D)30 hours
• E)60 hours

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Definitions:

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A genetic disorder affecting red blood cells, leading to increased vulnerability to certain diseases and substances.

Red Blood Cells

Cells in the blood which transport oxygen from the lungs to tissues throughout the body and help remove carbon dioxide.

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A skin fold of the upper eyelid that covers the inner corner of the eye, common among East Asian populations.

Ancestry

The lineage or descent of a person or group, especially regarding family background or ethnicity.