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Find point number of electron groups around central atom? Polarity? Number of Lone pairs for central...

Find point number of electron groups around central atom? Polarity? Number of Lone pairs for central atom? Lewis dot structure? Approximate bond angles? Electron pair arrangement around central atom/shape of the molecule? Hybridization of central atom? Symmetry elements and Points groups of compounds below.

a) NF3

b) XeO3

c) SCl2

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