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—Lewis Dot Structures and Molecule Geometries Worksheet Answer Key 3 4. H 2 O Total number of valence electrons: 8 CAD engineered 3D sketch model (show dipole arrows) Lewis structure: Is there a polar bond in this molecule? yes or no VSEPR shape name: bent Bond angles: 120 degrees Overall molecular polarity: polar or nonpolar 5. N 2
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