MCQ
In the lewis dot structure for $\mathrm{NO}_2{ }^{-}$, total number of valence electrons around nitrogen is .......
- ✓$8$
- B$9$
- C$15$
- D$20$
✓
Answer
Correct option: A.
$8$
a
Number of valence $\mathrm{e}^{-}$around $\mathrm{N}$-atom $=8$
Number of valence $\mathrm{e}^{-}$around $\mathrm{N}$-atom $=8$
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