not known. Origin Of Name: From the Anglo-Saxon word lead; Latin, plumbum (the origin of the symbol Pb is the Latin word plumbum meaning liquid silver. Calculate the molecular weight of Lead or molecular weight Pb.Also see the full list of chemical elements and atomic weights.rom the Anglo-Saxon word lead; Latin, plumbum (the origin of the symbol Pb is the Latin word plumbum meaning liquid silver. Calculate the molecular weight of Lead or molecular weight Pb.
Homefacts City Report. Rex is located in Clayton County, GA. The population is NR. There are 3 public schools in Rex with an average Homefacts rating of B. The total crime rate for Rex is moderate, and there are 31 registered sex offenders residing in the city. Unemployment in Rex is very high and the median home sales price is $80,000.
Jackson County is a county located in the U.S. state of Georgia. As of the 2010 census, the population was 60,485. The county seat is Jefferson. Jackson County comprises the Jefferson, GA Micropolitan Statistical Area, which is included in the Atlanta-Athens-Clarke County-Sandy Springs, GA Combined Statistical Area.ost of the first non-Native American settlers came from Effingham, County in 1786. On February 11, 1796, Jackson County was split off from part of Franklin County, Georgia.