Answer
(c) Selenium, Se
Work Step by Step
Elements on the same column have similar properties. "Se" is the only element in the same column of S.
Chemistry (4th Edition)
by Burdge, Julia
Published by
McGraw-Hill Publishing Company
ISBN 10:
0078021529
ISBN 13:
978-0-07802-152-7
Chapter 7 - Section 7.1 - Development of the Periodic Table - Checkpoint - Page 286: 7.1.1
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