Chemistry and Chemical Reactivity (9th Edition)

Published by Cengage Learning
ISBN 10: 1133949649
ISBN 13: 978-1-13394-964-0

Chapter 7 The Structure of Atoms and Periodic Trends - 7-3 Electron Configurations of Atoms - Review & Check for Section 7-3: 1

Answer

B

Work Step by Step

Selenium: Group 16, period 4 $[Ar]\ 4s^2\ 4p^4$
Update this answer!

You can help us out by revising, improving and updating this answer.

Update this answer

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.