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californium
(Encyclopedia)californium kălˈĭfôrˌnēəm [key] [from California], artificially produced, radioactive metallic chemical element; symbol Cf; at. no. 98; mass no. of most stable isotope 251; m.p. about 900℃; b...Theodore Roosevelt Birthplace National Historic Site
(Encyclopedia)Theodore Roosevelt Birthplace National Historic Site: see National Parks and Monuments (table)national parks and monuments (table). ...Theodore Roosevelt Inaugural National Historic Site
(Encyclopedia)Theodore Roosevelt Inaugural National Historic Site: see National Parks and Monuments (table)national parks and monuments (table). ...berkelium
(Encyclopedia)berkelium bûrˈklēəm [key] [from Berkeley], artificially produced radioactive chemical element; symbol Bk; at. no. 97; mass no. of most stable isotope 247; m.p. about 1,050℃; b.p. about 2,590℃;...seaborgium
(Encyclopedia)seaborgium sēbôrˈgēəm [key], artificially produced radioactive chemical element; symbol Sg; at. no. 106; mass number of most stable isotope 271; m.p., b.p., sp. gr., and valence unknown. Situated...curium
(Encyclopedia)curium kyo͝orˈēəm [key], artificially produced radioactive chemical element; symbol Cm; at. no. 96; mass no. of most stable isotope 247; m.p. about 1,340℃; b.p. 3,110℃; sp. gr. 13.5 (calculate...plutonium
(Encyclopedia)plutonium plo͞otōˈnēəm [key], radioactive chemical element; symbol Pu; at. no. 94; mass no. of most stable isotope 244; m.p. 641℃; b.p. 3,232℃; sp. gr. 19.84 at 20℃; valence +3, +4, +5, or ...Warner, Pop
(Encyclopedia)Warner, Pop: see Warner, Glenn Scobey. ...Carpenter, Malcolm Scott
(Encyclopedia)Carpenter, Malcolm Scott, 1925–2013, American astronaut, b. Boulder, Colo. The second American to go into orbital flight around the earth, he made his historic and suspenseful flight on May 24, 1962...Kent State University
(Encyclopedia)Kent State University, mainly at Kent, Ohio; coeducational; founded 1910 as a normal school, became Kent State College in 1929, gained university status in 1935. The university's academic programs and...Browse by Subject
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