Search results for "Uranium-235" - New World Encyclopedia
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- exist as uranium-238 (99.275 percent), uranium-235 (0.72 percent), and a ... each fission of the rare uranium isotope uranium-235. Further work found that ...48 KB (6,867 words) - 15:33, 16 January 2024
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- Uraninite is a uranium-rich, radioactive mineral that is composed mainly of uranium dioxide (UO2). It is black or brownish and the principal ...4 KB (526 words) - 13:35, 3 May 2023
- Neptunium (chemical symbol Np, atomic number 93) is a silvery radioactive metallic element, belonging to the actinide series. It is the first ...11 KB (1,451 words) - 16:21, 11 November 2022
- as it spins, while the desired uranium-235 isotope is extracted and concentrated with a scoop selectively placed inside the centrifuge. It takes ...7 KB (963 words) - 23:56, 3 December 2023
- employed for enrichment of the isotope uranium-235, for use in nuclear reactors ... as it spins, while the desired uranium-235 isotope is extracted and ...11 KB (1,529 words) - 23:56, 3 December 2023
- 231, which is formed by the alpha decay of uranium-235, could possibly sustain a nuclear chain reaction and might, in principle, be used to build ...9 KB (1,150 words) - 08:16, 2 December 2022
- produced by the natural radioactive decay of uranium-235 and uranium-238. Various compounds of astatine have been prepared in minute amounts, and the ...6 KB (808 words) - 05:08, 18 August 2023
- that it was possible to separate the isotope uranium-235. Simon's report included cost estimates and technical specifications for a large uranium ...12 KB (1,728 words) - 21:08, 20 March 2024
- Thorium (chemical symbol Th, atomic number 90) is a naturally occurring, slightly radioactive metal and is a member of the actinide series. It ...14 KB (1,909 words) - 23:00, 30 April 2023
- utilizing a purified isotope of uranium, uranium-235, and worked out that an ... Uranium-235 was separated by Nier and fission with slow neutron was ...31 KB (4,827 words) - 10:09, 11 March 2023
- Werner Karl Heisenberg (December 5, 1901 – February 1, 1976) was a celebrated German physicist and Nobel laureate, one of the founders of quantum ...22 KB (3,234 words) - 17:14, 4 May 2023
- Fluorine (chemical symbol F, atomic number 9) is a nonmetal that belongs to a group of chemical elements known as halogens. Chemically, it is ...13 KB (1,855 words) - 17:47, 28 March 2024
- exist as uranium-238 (99.275 percent), uranium-235 (0.72 percent), and a ... each fission of the rare uranium isotope uranium-235. Further work found that ...48 KB (6,867 words) - 15:33, 16 January 2024
- When a relatively large fissile atomic nucleus (usually uranium-235 ... a far higher probability of fissioning uranium-235, and a lower probability ...45 KB (6,704 words) - 00:40, 17 November 2022
- nuclear fission chain reaction. 1. A uranium-235 atom absorbs a neutron, and fissions in two new atoms (fission fragments), releasing three new ...22 KB (3,405 words) - 00:39, 17 November 2022
- both. One fissionable nucleus is the uranium-235 isotope. This is found ... Project. The Hiroshima bomb was uranium-235; the Nagasaki bomb was ...52 KB (8,009 words) - 11:05, 9 March 2023
- Radium (chemical symbol Ra, atomic number 88) is an extremely radioactive element that is classified as an an alkaline earth metal. When freshly ...13 KB (1,820 words) - 22:47, 7 December 2022
- Antoine Henri Becquerel (December 15, 1852 – August 25, 1908) was a French physicist, Nobel laureate, and one of the discoverers of radioactivity ...11 KB (1,682 words) - 15:20, 25 January 2023
- ===Uranium-235 series (4n+3)=== [[Image: Radser1.gif |thumb|center|450px|]] ===Thorium-232 series (4n+0)=== [[Image: Radser2.gif |thumb|center|450px|]] ...30 KB (4,559 words) - 22:46, 7 December 2022
- Actinium (chemical symbol Ac, atomic number 89) is a silvery, radioactive, metallic element. Due to its intense radioactivity, it glows in the ...7 KB (911 words) - 05:39, 15 June 2023
- energy. The other fissile materials are uranium-235 and uranium-233. Plutonium ... quot; bomb dropped on Hiroshima utilized uranium-235, not plutonium. ...37 KB (5,382 words) - 08:10, 24 November 2022
- Curium (chemical symbol Cm, atomic number 96) is a radioactive, metallic, transuranic element "Transuranic elements" are the chemical ...10 KB (1,354 words) - 06:46, 12 January 2024
- Fermium (chemical symbol Fm, atomic number 100) is a synthetic element in the periodic table. A highly radioactive metallic transuranic element ...7 KB (998 words) - 17:26, 26 March 2024
- Americium (chemical symbol Am, atomic number 95) is a radioactive, synthetic metallic element, classified as an actinide. It was the fourth transuranic ...9 KB (1,328 words) - 06:50, 25 July 2023
- Francium (chemical symbol Fr, atomic number 87) is a radioactive metal found in minute amounts in uranium and thorium ores. Although many isotopes ...6 KB (795 words) - 04:56, 9 April 2024
- Berkelium (chemical symbol Bk, atomic number 97) is a synthetic, radioactive chemical element, classified as an actinide. It was first synthesized ...7 KB (911 words) - 11:01, 28 September 2023
- Californium (chemical symbol Cf, atomic number 98) is a chemical element in the periodic table. A radioactive transuranic element, ...11 KB (1,466 words) - 18:27, 25 November 2023
- Geochronology is the science of determining the absolute ages of rocks, fossils, and sediments found on Earth. This field of science relies on ...10 KB (1,498 words) - 06:51, 18 April 2024
- Polonium (chemical symbol Po, atomic number 84) is a rare, extremely toxic, and highly radioactive chemical element. It is found in small amounts ...11 KB (1,554 words) - 08:39, 24 November 2022
- Bismuth (chemical symbol Bi, atomic number 83) is a brittle, white crystalline metal with a pink tinge. It acquires an iridescent oxide tarnish ...14 KB (1,891 words) - 17:59, 31 October 2023
- Promethium (chemical symbol Pm, atomic number 61) is a metallic element that is a member of the lanthanide series of chemical elements. All of ...11 KB (1,429 words) - 23:55, 1 December 2022
- <!-- comment out. Rn-220? {{Elementbox_isotopes_decay | mn=222 | sym=Rn | na=syn | hl=55.6 s | dm=Alpha | de=6.404 | pn=216 | ps=Po }} ...15 KB (2,200 words) - 22:50, 7 December 2022
- large fissile atomic nucleus (usually uranium-235 or plutonium-239) is struck ... to cause fission when colliding with a uranium-235 nucleus. Light water reactors ...49 KB (7,262 words) - 10:10, 11 March 2023
- If a sample of material decays at a certain rate over time, its half-life is defined as the time it takes for the sample to decay to half its ...8 KB (1,160 words) - 16:04, 3 August 2023
- on Earth is a by-product of fission of uranium-235 in nuclear reactors and ... fission of a gram of the rare isotope uranium-235 in nuclear reactors yields ...43 KB (6,283 words) - 22:03, 13 January 2024
- Lake Baikal ( о́зеро Байка́л Ozero Baykal , ˈozʲɪrə bʌjˈkɑl , Байгал нуур Baygal nuur ) sits in Southern Siberia ...14 KB (2,082 words) - 05:36, 4 March 2023
- Einsteinium (chemical symbol Es, atomic number 99) is a synthetic element in the periodic table. A metallic, highly radioactive, transuranic element ...7 KB (940 words) - 00:06, 13 February 2024
- are some of the nuclear fission products of both uranium-235 and plutonium-239, and therefore used as indicators of nuclear explosions. ...13 KB (1,905 words) - 14:16, 20 May 2023
- chains that begin from uranium-238 (238U), uranium-235 (235U), and thorium-232 (232Th), respectively. The corresponding half-lives of these decay processes ...18 KB (2,664 words) - 18:43, 25 October 2022
- Leó Szilárd (Hungarian: Szilárd Leó) (February 11, 1898 – May 30, 1964) was a Hungarian-American physicist who conceived of the nuclear ...15 KB (2,208 words) - 22:23, 25 October 2022
- Glenn Theodore Seaborg (April 19, 1912 – February 25, 1999) won the 1951 Nobel Prize in Chemistry for "discoveries in the chemistry of ...29 KB (4,299 words) - 07:54, 24 January 2023
- Zircon is a mineral belonging to a subgroup of silicate minerals called nesosilicates. Chemically, it is known as zirconium silicate, with the ...9 KB (1,181 words) - 06:08, 13 June 2023
- Alpha decay is a type of radioactive decay in which an atomic nucleus emits an alpha particle. An alpha particle (or α particle, named after ...13 KB (1,992 words) - 08:22, 23 July 2023
- Enrico Fermi (September 29, 1901 – November 28, 1954) was an Italian physicist most noted for his work on the development of the first nuclear ...25 KB (3,781 words) - 18:56, 13 February 2024
- Capitol Reef National Park is a United States National Park located in south-central Utah. Established as a national monument in 1937, it was ...19 KB (2,793 words) - 22:09, 25 November 2023
- Niger, officially the Republic of Niger, is a landlocked sub-Saharan country in western Africa, named after the Niger River. Though rich in minerals ...18 KB (2,433 words) - 21:41, 31 July 2023
- The nucleus of an atom is the very dense region at the center of the atom, consisting of particles known as protons and neutrons (collectively ...13 KB (1,903 words) - 06:57, 21 August 2023
- North Korea claims to possess nuclear weapons, and the CIA asserts that it has a substantial arsenal of chemical weapons. North Korea, a member ...25 KB (3,635 words) - 06:33, 16 November 2022
- The Colorado River flows 1,450 mi (2,330 km) from its headwaters in the Rocky Mountains of Colorado south into Mexico, where it empties into ...24 KB (3,618 words) - 22:40, 7 January 2024
- Marie Curie (or Maria Skłodowska-Curie, born as Maria Skłodowska; November 7, 1867 – July 4, 1934) was a physicist and chemist. She was born ...18 KB (2,796 words) - 04:14, 6 November 2022
- Otto Hahn (March 8, 1879 – July 28, 1968) was a German chemist and a pioneer of radioactivity and radiochemistry. He received the 1944 Nobel ...24 KB (3,736 words) - 10:52, 11 March 2023
