Chemistry (12th Edition)

Published by Prentice Hall
ISBN 10: 0132525763
ISBN 13: 978-0-13252-576-3

Chapter 7 - Ionic and Metallic Bonding - Standardized Test Prep: 4

Answer

B

Work Step by Step

Magnesium is located in Group 2A and has two valence electrons. Therefore, two electrons must be removed from magnesium in order to obtain an electron configuration of a noble gas. Therefore, (B) is the correct answer.
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