Chemistry: An Introduction to General, Organic, and Biological Chemistry (12th Edition)

Published by Prentice Hall
ISBN 10: 0321908449
ISBN 13: 978-0-32190-844-5

Chapter 4 - Section 4.7 - Trends in Periodic Properties - Additional Questions and Problems - Page 130: 4.84b

Answer

Arsenic is in group 5A, the fourth column from the right.

Work Step by Step

Arsenic is in period 4, the fourth from the top.
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