General, Organic, and Biological Chemistry: Structures of Life (5th Edition)

Published by Pearson
ISBN 10: 0321967461
ISBN 13: 978-0-32196-746-6

Chapter 5 - Nuclear Chemistry - 5.2 Nuclear Reactions - Questions and Problems: 5.16


a) $^{44}_{19}$K --> $^{44}_{20}$Ca + $^0_{-1}$e b) $^{59}_{26}$Fe --> $^{59}_{27}$Co + $^0_{-1}$e c) $^{42}_{19}$K --> $^{42}_{20}$Ca + $^0_{-1}$e d) $^{141}_{56}$Ba --> $^{141}_{57}$La + $^0_{-1}$e

Work Step by Step

In the beta decay of an isotope the resulting product is one beta particle ( $^0_{-1}$e) plus a new isotope of a different element that is one higher on the Periodic Table than the original, but with the same mass number. This is because to balance the equation, one proton +1 must be added to the atomic number of the base isotope to cancel the beta particle.
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