Samarium-158 Undergoes Beta Emission with a Half-Life of 5

question 119

Multiple Choice

Samarium-158 undergoes beta emission with a half-life of 5.30 minutes.If you start with 76.2 mg of the material,how long will it take until you have 18.9 mg of the sample?

• A) 3.51 minutes
• B) 5.30 minutes
• C) 10.6 minutes
• D) 18.4 minutes
• E) 26.3 minutes

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Definitions:

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