What Is the Decay Constant for a Radioactive Isotope Which

question 79

Multiple Choice

What is the decay constant for a radioactive isotope which decreases to 34% of its original value in 2.48 hours?

• A)0.137 hr^-1
• B)0.168 hr^-1
• C)0.435 hr^-1
• D)2.30 hr^-1

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