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 6 - Section 6.8 - Attractive Forces in Compounds - Challenge Questions - Page 206: 6.117b

Answer

Element X is located in group 6A.

Work Step by Step

The total charge of the aluminum ions is +6. The compound is in need of an atom with 6 valence electrons to be stable. Atoms in this group all have the required number of valence electrons.
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