Chemistry: An Atoms-Focused Approach

Published by W. W. Norton & Company
ISBN 10: 0393912345
ISBN 13: 978-0-39391-234-0

Chapter 4 - Chemical Bonding - Questions and Problems - Page 178: 20

Answer

Valence electrons are electrons that are in the outermost shell of an atom.

Work Step by Step

Valence electrons are important because they determine the reactivity of an element and how many and what kind of bonds an element can make.
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