He nodsYeah . I ' ve been getting enough sleep . suppresses a yawn . Wanna . Go eat ? M are we gonna RP the actual dinner , or are we gonna time skip ? <| sep |> Cl is definitely in the middle . O in the middle would be like an ozone chloride or something weird . Doesn ' t work . Your book is likely trying to stress the octet rule if you ' re in the beginning . It might even use the weirdness of the formal charges to try to later point out that , hey , this seems wrong too , so let ' s explore further . Interestingly enough , the d orbitals in the video apparently don ' t contribute to the hypervalency of the Cl . So the video isn ' t technically correct either . Ultimately , though , the structure from the video is the one that seems to match actual structures the best .