Chemistry: A Molecular Approach (3rd Edition)

Published by Prentice Hall
ISBN 10: 0321809246
ISBN 13: 978-0-32180-924-7

Chapter 8 - Sections 8.1-8.9 - Exercises - Review Questions: 23

Answer

The closets previous Noble gas's symbol is bracketed, then the orbital configuration for its valence electrons are added.

Work Step by Step

To use the periodic table to write the electron configuration for an element, find the noble gas that precedes the element and place the symbol for that noble gas in brackets. Then, obtain the outer electron configuration by tracing the element across the period and assigning electrons in the appropriate orbitals.
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