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