According to the VSEPR model, electron pairs in the valence shell of an atom define regions of electron density that repel each other. How many regions of electron density are there around the central N atom in NF3? What is the geometry defined by the electron-pairs around the N atom in NF3? There is/are unshared pair(s) around the central N atom, so the geometry of the NF3 molecule is predicted to be

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