A radioactive element decays by 1st order kinetic. It takes 7 days for 5 mg of this radioactive element to decay to 2 mg. (a) What is the rate constant of the decay? (b) What is the half life ( t1/2 ) of this radioactive decay

A radioactive element decays by 1st order kinetic. It takes 7 days for 5 mg of this radioactive element to decay to 2 mg. (a) What is the rate constant of the decay? (b) What is the half life ( t1/2 ) of this radioactive decay

Chemistry

9th Edition

ISBN:9781133611097

Author:Steven S. Zumdahl

Publisher:Steven S. Zumdahl

Chapter19: The Nucleus: A Chemist's View

Section: Chapter Questions

Problem 6Q

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Question

A radioactive element decays by 1st order kinetic. It takes 7 days for 5 mg of this radioactive element to decay to 2 mg.

(a) What is the rate constant of the decay?

(b) What is the half life ( t1/2 ) of this radioactive decay

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