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: 50

Answer

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Work Step by Step

A: group 2, period 4 B: group 17, period 4 a) A is a metal from group 2 (alkaline earth). b) B is a nonmetal from group 17 (halogen). c) B, ionization energy is bigger in later groups and earlier periods. d) B atomic radius is bigger in later periods and earlier groups.
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