Answers: 1
is, 
![\text{Number of electrons}=\frac{1}{2}[V+N-C+A]](/tpl/images/0167/2289/86ecf.png)
molecules.![\text{Number of electrons}=\frac{1}{2}\times [5+4-1]=4](/tpl/images/0167/2289/1d5c0.png)
and the electronic geometry of the molecule will be tetrahedral and the bond angle will be, 
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