Chemistry (12th Edition)

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

Chapter 6 - The Periodic Table - Standardized Test Prep - Page 191: 3

Answer

B

Work Step by Step

Halogen is the 7th group in the period table. So, the answer should be ns2np5
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