Answer
The orange box, which corresponds to the element lawrencium
Work Step by Step
Lawrencium is an element that belongs to the actinides. The actinides have no stable isotopes because they are all radioactive.
Chemistry: An Atoms-Focused Approach
by Gilbert, Thomas R.; Kirss, Rein V.; Foster, Natalie
Published by
W. W. Norton & Company
ISBN 10:
0393912345
ISBN 13:
978-0-39391-234-0
Chapter 2 - Atoms, Ions, and Molecules - Visual Problems - Page 70: 6
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