University Physics with Modern Physics (14th Edition)

Published by Pearson
ISBN 10: 0321973615
ISBN 13: 978-0-32197-361-0

Chapter 43 - Nuclear Physics - Problems - Discussion Questions - Page 1475: Q43.18


Radium is continually being produced.

Work Step by Step

As we can see in Figure 43.7, $^{226}Ra$ is in the decay chain of thorium and uranium nuclei that are extremely long-lived. Radium is still being produced to this day, so it is found in abundance despite its half-life of 1600 years.
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