- Nitrogen (N) has 5 valence electrons.
- Hydrogen (H) has 1 valence electron.
- Fluorine (F) has 7 valence electrons, and there are 2 fluorine atoms in the molecule.
So, the total number of valence electrons in NHF2 is:
5 (from N) + 1 (from H) + 7 * 2 (from 2
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