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.
$O_3: 3×6=18$
$OCN^-: 6+4+5+1=16$
$NO_2^-: 5+2×6+1=18$
$SO_2: 6+6×2=18$
Chemistry and Chemical Reactivity (9th Edition)
by Kotz, John C.; Treichel, Paul M.; Townsend, John R.; Treichel, David A.
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 - Page 296: 3
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