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: 7

Answer

A

Work Step by Step

The number of valence electrons for an atom is determined by referring its group number. Arsenic is located in Group 5A, so it has five valence electrons. So (a) is the correct answer.
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