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: 6.117c

Answer

Element X is from group 2A.

Work Step by Step

Carbonate has a -2 charge. Element X must have two valence electrons in order to balance the charge.
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