Answered: b- The radioactive nucleus 2 Ra has a…

b- The radioactive nucleus 2 Ra has a half-life of approximately 1.6 103 yr. Given that the Solar System is about 5 billion years old, why do we still find this nucleus in nature?

Modern Physics

3rd Edition

ISBN:9781111794378

Author:Raymond A. Serway, Clement J. Moses, Curt A. Moyer

Publisher:Raymond A. Serway, Clement J. Moses, Curt A. Moyer

Chapter13: Nuclear Structure

Section: Chapter Questions

Problem 9Q

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Half Life

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b- The radioactive nucleus Ra has a half-life of approximately 1.6 103 yr.
Given that the Solar System is about 5 billion years old, why do we still find
this nucleus in nature?
226

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