Answer
Therefore, Na has the largest atomic size.
Work Step by Step
The elements are in the same period, but different groups.
Atomic size decreases from left to right.
Chemistry: An Introduction to General, Organic, and Biological Chemistry (12th Edition)
by Timberlake, Karen C.
Published by
Prentice Hall
ISBN 10:
0321908449
ISBN 13:
978-0-32190-844-5
Chapter 4 - Section 4.7 - Trends in Periodic Properties - Understanding the Concepts - Page 130: 4.81a
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