Chemistry: The Central Science (13th Edition)

by Brown, Theodore E.; LeMay, H. Eugene; Bursten, Bruce E.; Murphy, Catherine; Woodward, Patrick; Stoltzfus, Matthew E.

Published by Prentice Hall

ISBN 10: 0321910419

ISBN 13: 978-0-32191-041-7

Chapter 21 - Nuclear Chemistry - Exercises - Page 947: 21.21c

Answer

Nickel - 65 is the radioisotope. It has 37 neutrons compared to its 28 protons. This puts it well outside the band of stability.

Work Step by Step

Nickel - 58 is stable because it has a neutron to proton ratio (30 to 28) that falls inside the band of stability.

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