Port Radium, mining village, N central Northwest Territories, Canada, on Great Bear Lake. The mines were discovered in 1930 and yielded deposits of pitchblende, from which much radium was prod...

Periodic Table of the Elements: RadiumAtomic Number:88Atomic Symbol:RaRadiumAtomic Weight:226.0254ElectronConfiguration:2 · 8 · 1832 · 188 · 2

Ra, symbol for the element radium.

Curie, family of French scientists. Pierre Curie, 1859–1906, scientist, and his wife, Marie Sklodowska Curie, 1867–1934, chemist and physicist, b. Warsaw, are known for their work on radioacti...

Canonsburg, borough (1990 pop. 9,200), Washington co., SW Pa., inc. 1802. Its steel and coal industries have declined significantly. A gram of radium produced there was presented to Marie Curi...

Duane, William, 1872–1935, American physicist, b. Philadelphia, grad. Harvard, 1893, Ph.D. Univ. of Berlin, 1897. He taught at the Univ. of Colorado (1898–1907), worked at the Curie radium lab...

Jamnagar, city (1991 pop. 381,646), Gujarat state, W central India. A port on the Gulf of Kachchh, which is an arm of the Arabian Sea, Jamnagar has naval and aeronautical schools. It is a tran...

Joliot-Curie, French scientists who were husband and wife. Frédéric Joliot-Curie, 1900–1958, formerly Frédéric Joliot, and Irène Joliot-Curie, 1897–1956, daughter of Pierre and Marie Curie, we...

Pitchblende, dark, lustrous, heavy mineral, a source of radium and uranium. Largely natural uranium oxides, triuranium octaoxide (U3O8) and uranium dioxide (UO2), it usually contains some lead...

Luria, Salvador Edward, 1912–1991, American physician, b. Turin, Italy, M.D., Univ. of Turin, 1935. He conducted research and taught at the Institute of Radium in Paris (1938–40), Columbia (19...