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.
Crisp County Courthouse in Cordele. Crisp County is a county located in the central portion of the U.S. state of Georgia. As of the 2010 census, the population was 23,439. The county seat is Cordele. The county was created on August 17, 1905 and named for Charles Frederick Crisp. Crisp County comprises the Cordele, GA Micropolitan Statistical Area.