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 281c: 53


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Work Step by Step

a) Se, atomic radius grows in later periods, Se is in the fourth period, S and Cl are in the third. b) $Br^-$, anions have bigger radii than their neutral counterpart due to electronic repulsion c) Na, in the second ionization an electron would have to be removed from an inner shell since it's in group 1. d) N, ionization energy is greater in earlier periods, N is in the second period, P in the third, As in the fourth. e) $N^{3-}$, ionic radius increases with a more negative charge.
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