Why would the phosphorus atom in pcl3 be expected to have a partial positive charge?

Apr 16, 2015 ... The answer is D) partial positive (delta^+) charge. The phosphorus atom in the covalent compound phosphorus trichloride, "PCl"_3, has an ... he phosphorus atom in PCl3 would be expected to have what kind of ... like a partial negative or partial positive charge (sigma + or sigma-) ?. he phosphorus atom in PCl3 would be expected to have a a) partial positive charge b) partial negative charge c) 3 + charge d) 3 - charge 3. How many lone pairs ...