Answer
They include columns 3 - 12.
Work Step by Step
The d-block elements are in the middle of the periodic table. They are also known as the transition metals.
Chemistry: The Central Science (13th Edition)
by Brown, Theodore E.; LeMay, H. Eugene; Bursten, Bruce E.; Murphy, Catherine; Woodward, Patrick; Stoltzfus, Matthew E.
Published by
Prentice Hall
ISBN 10:
0321910419
ISBN 13:
978-0-32191-041-7
Chapter 6 - Electronic Structure of Atoms - Exercises - Page 249: 6.12d
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