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: 49

Answer

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Work Step by Step

A: group 1, period 5 B: group 16, period 4 a) A is a metal from group 1 (alkaline). b) B, ionization energy is bigger in later groups and earlier periods. c) A, the negative of the electron attachment energy is bigger in later groups and earlier periods. d) A, atomic radius is bigger in later periods and earlier groups. e) A must lose one electron to have a noble gas configuration, B must gain two: $A_2B$
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