lead (Pb), n a common soft, blue-gray, metallic element. Its atomic number is 82, and its atomic weight is 207. In its metallic form, it is used as a protective shielding against radiographs.ead. A metallic element, atomic no. 82, atomic wt. 207.2; occurs in nature as an oxide or one of the salts, but chiefly as the sulfide, or galena; 210 Pb (half-life equal to 22.6 years) has been used in the treatment of certain eye conditions.
Republic, MO. Sponsored Topics. Republic is a city in Christian and Greene counties in the U.S. state of Missouri. The population was 8,438 at the 2000 census, and 14,300 as of 2009. It is part of the Springfield, Missouri, Metropolitan Statistical Area.
Wright County, Missouri. (Redirected from Wright County, MO) Wright County is a county located in the southern portion of the U.S. state of Missouri. As of the 2010 census, the population was 18,815. Its county seat is Hartville. The county was officially organized on January 29, 1841, and is named after Silas Wright (D-New York), a former Congressman, U.S. Senator and Governor of New York.