Answer the questions in the table below about the shape of the phosphorus trichloride ($PCl_3$) molecule How many electron groups are around the central phosphorus atom? Note: one "electron group" means one lone pair, one single bond, one double bond, or one triple bond. What phrase best describes the arrangement of these electron groups around the central phosphorus atom? (You may need to use the scrollbar to see all the choices.) (choose one)
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Phosphorus has 5 valence electrons, and each chlorine atom contributes 1 electron for bonding. So, there are 3 single bonds formed between phosphorus and chlorine atoms, and there is 1 lone pair on the phosphorus atom. Therefore, there are 4 electron groups around Show more…
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