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 281a: 29


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Work Step by Step

a) Na, period 3, along with Mg and P, and it's the leftmost one b) O, since there is greater electron affinity in the upper left corner. c) $Na\lt Mg\lt P\lt O$, bigger in earlier periods and increase from left to right.
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