Chemistry: The Central Science (13th Edition)

Published by Prentice Hall
ISBN 10: 0321910419
ISBN 13: 978-0-32191-041-7

Chapter 8 - Basic Concepts of Chemical Bonding - Exercises - Page 337: 8.60b


6, 2

Work Step by Step

Oxygen is in group 6, so it has 6 valence electrons. When it doubles bonds, it is able to share four electrons, with two of the electrons being from the other atom. This adds up to 8 valence electrons, which gives oxygen the full valence shell. Thus, oxygen has 6 valence electrons and generally has 2 bonds in compounds.
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