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Chemistry
Chemistry
Problem
Which of the following species must have at least one Lewis structure that contains an unpaired electron? a)
O
2
2
−
\mathrm{O_2^{2-}}
O
2
2
−
b)
N
O
+
\mathrm{NO^{+}}
N
O
+
c)
N
O
\mathrm{NO}
NO
d)
N
O
2
−
\mathrm{NO_2^-}
N
O
2
−
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