Answer
At (Astatine) - Halogen
Work Step by Step
Astatine is a Halogen because it's in Group 17 (VII A) on the periodic table.
Chemistry: A Molecular Approach (3rd Edition)
by Tro, Nivaldo J.
Published by
Prentice Hall
ISBN 10:
0321809246
ISBN 13:
978-0-32180-924-7
Chapter 2 - Sections 2.1-2.9 - Exercises - Problems by Topic - Page 81: 68e
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