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Chemistry: The Molecular Nature of Matter and Change
Consider the following molecular shapes:
(a) Match each shape with one of the following species: $\mathrm{XeF}_{3}^{+}$ , $\mathrm{SbBr}_{3}, \mathrm{GaCl}_{3}$ .
(b) Which, if any, is polar?
(c) Which has the most valence electrons around the central atom?