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Carbon-14 Is a Radioactive Isotope Which Decays with a Half-Life

Question 85

Multiple Choice

Carbon-14 is a radioactive isotope which decays with a half-life of 5730 years. What is the first-order rate constant for its decay, in units of years¯1?


A) 5.25 * 10¯5 years¯1
B) 1.21 * 10¯4 years¯1
C) 1.75 * 10¯4 years¯1
D) 3.49 * 10¯4 years¯1
E) 3.97 *103 years¯1

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