Chemistry and Chemical Reactivity (9th Edition)

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

Chapter 8 Bonding and Molecular Structure - 8-2 Covalent Bonding and Lewis Structures - Review & Check for Section 8-2: 2

Answer

C

Work Step by Step

Nitrogen is in group 15, having 5 valence electrons so $N_3^-$ has 16 Oxygen is in group 16, carbon in 14. $N_2O: 2×5+6=16$ $NO_2^+: 5+2×6-1=16$ $O_3: 3×6=18$ $CO_2: 4+6×2=16$
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