The graphite oxide is exposed to {HEAD ~ one or more metal chlorides} to form {TAIL ~ an intermediary product} comprising carbon, metal, chloride, and oxygen 
The graphite oxide is exposed to { HEAD ~ one or more metal chlorides } to form { TAIL ~ an intermediary product } comprising carbon , metal , chloride , and oxygen
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH