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
- Also, the uranium-235 that remains in depleted uranium emits only a small amount of low-energy gamma radiation. According to the World Health ...62 KB (9,530 words) - 08:21, 8 January 2024
- Scandium (chemical symbol Sc, atomic number 21) is a soft, silvery-white metal. Scandium ore occurs in rare minerals from Scandinavia and elsewhere ...12 KB (1,615 words) - 17:06, 25 January 2023
- Mendelevium (chemical symbol Md (formerly Mv), atomic number 101), also known as unnilunium (symbol Unu), is a synthetic element in the periodic ...6 KB (778 words) - 04:30, 9 November 2022
- Modern geologists and geophysicists consider the age of Earth to be around 4.54 billion years (4.54 9 years).1997. [http://pubs.usgs.gov/gip/geotime/age ...34 KB (5,149 words) - 06:44, 16 June 2023
- Carbonatites are unusual igneous rocks that contain carbonate minerals at levels that exceed 20 percent (by volume). Their additional mineral ...7 KB (933 words) - 19:10, 26 November 2023
- Nobelium (chemical symbol No, atomic number 102), also known as unnilbium (symbol Unb), is a synthetic element in the periodic table. A radioactive ...7 KB (962 words) - 02:34, 16 November 2022
- The outback, also known as the Great Australian Desert, is the remote and arid interior (and north) of Australia. The term "outback" ...7 KB (1,078 words) - 20:04, 20 January 2023
- Kakadu National Park is in the Northern Territory of Australia, 171 kilometers (106 mi) east of Darwin. Located within the Alligator Rivers ...37 KB (5,617 words) - 02:27, 19 December 2022
- The Republic of Chad is a landlocked country in central Africa. Though it has started exporting oil, these bright prospects are marred by widespread ...18 KB (2,606 words) - 00:11, 4 December 2023
- Namibia, officially the Republic of Namibia, is a sparsely populated country in Southern Africa on the Atlantic coast. It gained independence ...17 KB (2,377 words) - 02:43, 11 March 2023
- isotopes in Earth are potassium-40, uranium-238, uranium-235, and thorium-232. Robert Sanders, [http://www.berkeley.edu/news/media/releases/2003/12/10_heat ...43 KB (6,456 words) - 20:26, 13 December 2023
- Lavrentiy Pavlovich Beria (Georgian: ლავრენტი ბერია; Russian: Лаврентий Павлович Берия; March ...19 KB (2,858 words) - 17:56, 25 October 2022
- Sedimentology encompasses the study of modern sediments such as sand, Raymond Siever, Sand (New York: Scientific American Library, 1988, ISBN ...11 KB (1,469 words) - 17:45, 25 January 2023
- A bullet is a solid projectile propelled by a firearm or air gun, normally made from metal—usually lead. A bullet (in contrast to a shell) ...22 KB (3,492 words) - 18:43, 22 November 2023
- Saskatchewan is a prairie province in Canada, with an area of 227,134.67 square miles (588,276.09 sq. km) and a population of around 1 million ...28 KB (3,852 words) - 03:30, 23 December 2022
- In the most general terms, convection refers to the movement of molecules within fluids (that is, liquids, gases, and rheids). It is one of the ...11 KB (1,793 words) - 02:51, 8 January 2024
- The State of Wyoming is a state in the western region of the United States of America. The majority of the state is dominated by the mountain ...36 KB (5,337 words) - 14:13, 20 May 2023
- John Malcolm Fraser, AC, CH, PC (May 21, 1930 - March 20, 2015) was an Australian politician who was the 22nd Prime Minister of Australia. He ...31 KB (4,378 words) - 06:35, 5 November 2022
- The Namib Desert is a coastal desert in Namibia and southwestern Angola that encompasses the world's highest sand dunes, gravel plains, ...11 KB (1,703 words) - 01:13, 11 November 2022
- Coal is a black or brownish-black sedimentary rock composed primarily of carbon, along with other assorted substances, including sulfur. It is ...32 KB (4,888 words) - 22:13, 7 January 2024
- Yttrium (chemical symbol Y, atomic number 39) is a lustrous, silvery metal that is found in most rare-earth minerals. It is relatively stable ...12 KB (1,634 words) - 21:34, 4 June 2023
- Fertilizers (also spelled fertilisers) are compounds given to plants to promote growth; they are usually applied either via the soil, for uptake ...33 KB (4,735 words) - 17:28, 26 March 2024
- Neodymium Neodymium is frequently misspelled as neodynium. (chemical symbol Nd, atomic number 60) is a silvery metallic element that is a member ...12 KB (1,578 words) - 16:18, 11 November 2022
- Estonia (older English spelling Esthonia), officially the Republic of Estonia (Estonian: Eesti or Eesti Vabariik), is a country in Northern Europe ...40 KB (5,692 words) - 04:22, 22 March 2024
- Regolith is a layer of loose, heterogeneous material covering solid rock. It includes dust, soil, broken rock, and other related materials. It ...13 KB (1,996 words) - 03:04, 8 December 2022
- Apatite is the name given to a group of phosphate minerals, usually referring to hydroxylapatite (or hydroxyapatite), fluoroapatite (or fluorapatite ...15 KB (2,114 words) - 05:59, 11 August 2023
- Fossil fuels or mineral fuels are hydrocarbon fuels found within the top layer of the Earth’s crust. They range from highly volatile materials ...15 KB (2,136 words) - 06:36, 1 April 2024
- Electronegativity is one of the fundamental concepts for an understanding of chemical bonding. The first modern definition was suggested by Linus ...16 KB (2,171 words) - 15:58, 13 February 2024
- Category:Public [[Image:Glass-Ball.jpg|thumbnail|right|250px|Glass can be made transparent and flat, or into other shapes and colors as shown ...28 KB (4,417 words) - 07:52, 24 January 2023
- category:image wanted Patrick Victor Martindale White (May 28, 1912 – September 30, 1990) was an Australian author widely regarded as one of ...13 KB (2,140 words) - 16:45, 21 November 2022
- Edward Teller (original Hungarian name Teller Ede) (January 15, 1908 – September 9, 2003) was a Hungarian-born American theoretical physicist ...41 KB (6,221 words) - 23:53, 12 February 2024
- Ernest Rutherford, 1st Baron Rutherford of Nelson OM PC FRS (August 30, 1871 - October 19, 1937), widely referred to as Lord Rutherford, was ...17 KB (2,514 words) - 19:33, 13 February 2024
- The Central African Republic is a landlocked country in Central Africa, roughly the size of France. It is bordered by Chad to the north, Sudan ...29 KB (4,266 words) - 23:52, 3 December 2023
- Niobium or columbium (chemical symbol Nb, atomic number 41) is a rare, soft, gray metal. It was discovered in a variety of columbite (now called ...14 KB (1,909 words) - 04:59, 15 November 2022
- Category:Public [[Image:BI2223-piece3 001.jpg|thumb|right|200px|A small sample of the high-temperature superconductor BSCCO-2223 (bismuth strontium ...16 KB (2,304 words) - 23:57, 3 December 2023
- The Kalahari Desert is not really a desert, but rather a large arid to semi-arid sandy area in southern Africa, covering much of Botswana and ...14 KB (2,202 words) - 06:57, 28 February 2023
- Southern Africa is the southernmost region of the African continent, defined by the United Nations scheme of geographic regions as consisting ...16 KB (2,390 words) - 15:15, 27 April 2023
- Alfred Joseph Hitchcock, KBE (August 13, 1899 – April 29, 1980) was a British-American film director closely associated with the suspense thriller ...29 KB (4,441 words) - 08:14, 20 July 2023
- Nuclear physics is a field of physics that involves investigation of the building blocks and interactions of atomic nuclei. It includes studies ...18 KB (2,740 words) - 00:29, 17 November 2022
- Mali, officially the Republic of Mali, is a huge, landlocked nation in West Africa that is about two-thirds desert. The country is named after ...15 KB (2,110 words) - 06:37, 5 November 2022
- Bishkek (Russian and Kyrgyz: Бишкек) is the capital and the largest city of Kyrgyzstan. Though the city is relatively young, the surrounding ...16 KB (2,289 words) - 02:47, 8 March 2023
- Category:Politics and social sciences Category:Anthropology Category:Ethnic group :This article is about the Algonquin of Quebec and the Ottawa ...17 KB (2,518 words) - 18:12, 21 July 2023
- Category:Public [[Image:Photo 37.jpg|right|thumb|250px|Experimental work in progress in a chemistry laboratory.]] Chemistry (from Egyptian kēme ...20 KB (2,886 words) - 14:48, 5 December 2023
- Tritium (chemical symbol Tritium or Hydrogen|3 ) is a radioactive isotope of hydrogen. The nucleus of tritium (sometimes called a triton) contains ...18 KB (2,638 words) - 16:50, 5 November 2022
- Category:Public number=12 | symbol=Mg | name=magnesium | left=sodium | right=aluminium | above=Be | below=Ca | color1=#ffdead | color2=black ...17 KB (2,430 words) - 10:49, 9 March 2023
- The basic principle behind the particle accelerator is simple: Collide things together at high energy and detect what comes out. In 1909, Ernest ...19 KB (2,915 words) - 18:45, 23 March 2023
- Morarji Ranchhodji Desai (February 29, 1896 – April 10, 1995) was an Indian independence activist and the fourth Prime Minister of India from ...17 KB (2,426 words) - 00:04, 16 December 2022
- Desalination (or desalinization or desalinisation) refers to any of several processes that remove excess salt and other minerals from water. ...20 KB (2,876 words) - 09:52, 29 January 2024
- A rock is a naturally occurring aggregate of minerals and mineral-like substances called mineraloids. Rocks are classified as igneous, sedimentary ...20 KB (3,012 words) - 02:25, 16 December 2022
- Category:Universities and Colleges {{Infobox_University-Jen |image = [[Image:Earl Hall Columbia University NYC.jpg|200 px|Earl Hall, ...35 KB (5,049 words) - 22:45, 7 January 2024
