Atomic Theory

                                                                                                                                                       Electrons of chlorine are represented by

                                                                           and electrons of phosphorus by

The molecular and subsequently the empirical (simplest) formula of this molecule are PCl3. Its name is phosphorus trichloride.

The structural formula could be represented by:                          Cl         P         Cl                

Its shape is:  

                                                                                                                          Cl