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: 3

Answer

B

Work Step by Step

Nitrogen is in group 15, having 5 valence electrons, oxygen and sulfur are in group 16, carbon in 14. $O_3: 3×6=18$ $OCN^-: 6+4+5+1=16$ $NO_2^-: 5+2×6+1=18$ $SO_2: 6+6×2=18$
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