draw-a-lewis-structure-for-nhf2-in-which-the-central-n-atom-obeys-the-octet-rule

Draw a Lewis structure for NHF2 in which the central atom obeys the octet rule, and answer the following questions based on your drawing. 

The number of unshared pairs (lone pairs) on the central atom is: 

The central atom forms single bonds.

The central atom forms double bonds.