Chemistry and Chemical Reactivity (9th Edition)

Published by Cengage Learning
ISBN 10: 1133949649
ISBN 13: 978-1-13394-964-0

Chapter 7 The Structure of Atoms and Periodic Trends - Study Questions - Page 281d: 64


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Work Step by Step

$K^{2+}, Al^{4+}$ K and Al are in groups 1 and 13 respectively, so removing 2 and 4 electrons from each, respectively would require removing one electron from an inner shell. $F^{2-}$ F is in group 17, so adding two electrons would require adding one to a new shell.
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