Answer
C
Work Step by Step
Phosphorus is located in Group 5A and has five valence electrons. Therefore, three electrons must be added to phosphorus in order to obtain an electron configuration of a noble gas. Therefore, (C) is the correct answer.
Chemistry (12th Edition)
by Wilbraham
Published by
Prentice Hall
ISBN 10:
0132525763
ISBN 13:
978-0-13252-576-3
Chapter 7 - Ionic and Metallic Bonding - Standardized Test Prep - Page 219: 6
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