If Three Samples Have the Half-Lives Listed Below,which Is the Most

question 105

Multiple Choice

If three samples have the half-lives listed below,which is the most radioactive?

• A)a sample with a half-life of 20 minutes
• B)a sample with a half-life of 20 hours
• C)a sample with a half-life of 20 years
• D)a sample with a half-life of 20 million years
• E)none of the above

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