Chemistry: The Molecular Science (5th Edition)

Published by Cengage Learning
ISBN 10: 1285199049
ISBN 13: 978-1-28519-904-7

Chapter 5 - Electron Configurations and the Periodic Table - Problem Solving Practice 5.9 - Page 223: b

Answer

Calcium

Work Step by Step

We know that group 2 elements generally become cations with a 2+ charge. Since it specifies that the element is in the 4th period, we see that Calcium is the correct answer.
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