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.
Chemistry: An Atoms-Focused Approach
by Gilbert, Thomas R.; Kirss, Rein V.; Foster, Natalie
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
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