Answer
Calcium
Work Step by Step
If we continued adding elements to the periodic table until we got to element 120, we would find that element 120 would be in the second group. Thus, it would be in the same group as elements such as Calcium.
Chemistry: The Molecular Science (5th Edition)
by Moore, John W.; Stanitski, Conrad L.
Published by
Cengage Learning
ISBN 10:
1285199049
ISBN 13:
978-1-28519-904-7
Chapter 5 - Electron Configurations and the Periodic Table - Questions for Review and Thought - Topical Questions - Page 240e: 115b
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