Search results for "Strontium-89" - New World Encyclopedia
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- Strontium (chemical symbol Sr, atomic number 38) is a soft, silvery white metallic element that occurs naturally in the minerals celestite and ...14 KB (1,860 words) - 21:04, 26 February 2023
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- Strontium (chemical symbol Sr, atomic number 38) is a soft, silvery white metallic element that occurs naturally in the minerals celestite and ...14 KB (1,860 words) - 21:04, 26 February 2023
- 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
- Ferrites are a class of ferrimagnetic ceramic chemical compounds consisting of mixtures of various metal oxides, usually including iron oxides ...7 KB (1,039 words) - 17:27, 26 March 2024
- Rubidium (chemical symbol Rb, atomic number 37) is a soft, silvery-white metallic element of the alkali metal group. Rb-87, a naturally occurring ...14 KB (1,892 words) - 20:57, 21 December 2022
- A dielectric, or electrical insulator, is a material that is highly resistant to the flow of an electric current. Dielectric materials can be ...14 KB (1,888 words) - 14:27, 29 January 2024
- Radiolaria is a diverse grouping of amoeboid protozoa that produce intricate mineral skeletons, typically with a central capsule of cytoplasm ...9 KB (1,295 words) - 22:46, 7 December 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
- Barium (chemical symbol Ba, atomic number 56) is a soft, silvery chemical element classified as an alkaline earth metal. Given its reactivity ...13 KB (1,855 words) - 08:07, 20 September 2023
- Terbium (chemical symbol Tb, atomic number 65) is a silvery-white rare earth metal. The term "rare earth metals" (or "rare earth ...9 KB (1,141 words) - 03:47, 30 April 2023
- Category:Public number=20 | symbol=Ca | name=calcium | left=potassium | right=scandium | above=Mg | below=Sr | color1=#ffdead | color2=black ...18 KB (2,626 words) - 18:21, 25 November 2023
- The solubility of a chemical substance is a physical property referring to the ability of that substance, called the solute, to dissolve in a ...23 KB (3,483 words) - 01:08, 4 February 2023
- The main group elements of the periodic table are groups 1, 2 and 13 through 18. Elements in these groups are collectively known as main group ...30 KB (4,368 words) - 00:41, 24 November 2022
- Cubic zirconia (or CZ) is the cubic crystalline form of zirconium dioxide (ZrO2). The synthesized material is hard, optically flawless, and usually ...11 KB (1,568 words) - 06:43, 11 January 2024
- The periodic table of the chemical elements is a tabular display of the chemical elements. It is perhaps the icon of Chemistry and expresses ...13 KB (1,942 words) - 00:40, 24 November 2022
- Sir Humphry Davy, 1st Baronet, FRS (December 17, 1778 – May 29, 1829) was an esteemed British chemist and physicist, who vastly expanded chemical ...12 KB (1,863 words) - 20:56, 9 February 2024
- Cesium (also spelled caesium, chemical symbol Cs, atomic number 55) is a member of the group of chemical elements known as alkali metals. Soft ...14 KB (1,931 words) - 00:09, 4 December 2023
- The development of the periodic table of the elements parallels the development of science and our understanding of the physical universe. It ...15 KB (2,217 words) - 15:59, 25 January 2023
- 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:minerals.jpg|right|frame|An assortment of minerals. Photo from [http://volcanoes.usgs.gov/Products/Pglossary/mineral.html ...16 KB (2,351 words) - 18:48, 9 November 2022
- A fluorescent lamp is a gas-discharge lamp that uses electricity to excite mercury vapor in argon or neon gas, resulting in a plasma that produces ...43 KB (6,681 words) - 17:46, 28 March 2024
- Category:Public [[Image:plasma fountain.gif|thumb|300px|right|The Earth's "plasma fountain," showing oxygen, helium, and hydrogen ...17 KB (2,619 words) - 11:09, 6 March 2024
- Basalt is a common, gray to black volcanic rock. It is usually fine-grained due to rapid cooling of lava on the Earth's surface. It may ...16 KB (2,316 words) - 03:22, 1 January 2022
- In chemistry, a base is thought of as a substance which can accept protons or any chemical compound that yields hydroxide ions (OH-) in solution ...21 KB (3,307 words) - 11:03, 20 September 2023
- In physics, magnetism is one of the phenomena by which materials exert attractive and repulsive forces on other materials. It arises whenever ...22 KB (3,366 words) - 05:09, 5 November 2022
- In geography, a desert is a landscape form or region that receives very little precipitation. More specifically, it is defined as an area that ...20 KB (3,022 words) - 09:55, 29 January 2024
- 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
- Aluminum (or aluminium) (chemical symbol Al, atomic number is 13) is a soft, lightweight metal with a silvery appearance and the ability to resist ...38 KB (5,676 words) - 08:41, 23 July 2023
- In electronics, a diode is a component that allows an electric current to flow in one direction but blocks it in the opposite direction. Thus ...25 KB (3,818 words) - 17:12, 22 July 2020
- Uranium (chemical symbol U, atomic number 92) is a silvery metallic chemical element in the actinide series of the periodic table. The heaviest ...48 KB (6,867 words) - 15:33, 16 January 2024
- Linus Carl Pauling (February 28, 1901 – August 19, 1994) was an American quantum chemist and biochemist. He was also acknowledged as a crystallographer ...44 KB (6,490 words) - 04:18, 29 October 2022
- Category:Public [[Image:nervoussystem.jpg|thumb|right|200px|Nervous system. Courtesy of 3DScience.com]] As commonly defined, the human body is ...25 KB (3,706 words) - 21:55, 23 December 2020
- Bird migration refers to the regular (and often seasonal) journeys to and from a given area undertaken by all or part of a bird population. Not ...22 KB (3,318 words) - 17:57, 31 October 2023
- Chongqing ( s=重庆 |t=重慶 |p=Chóngqìng ; Postal map spelling: Chungking; Wade-Giles: Ch'ung-ch'ing) is the largest and most populous ...30 KB (3,987 words) - 17:18, 10 December 2023
- |- | Electron affinity || -53 kJ/mol 702 | 1470 | 2850 135 183 156 color1=#ffc0c0 | color2=black no data 50.6 7440-26-8 isotopesof=technetium ...43 KB (6,283 words) - 22:03, 13 January 2024
- Category:Politics and social sciences Category:Anthropology Category:Ethnic group Anasazi [[Image:mesaverde cliffpalace 20030914.752.jpg|thumb ...40 KB (6,073 words) - 19:47, 26 July 2023
- Ammonia is a chemical compound of nitrogen and hydrogen, with the formula NH3. It is a gas at standard temperature and pressure In this case, ...39 KB (5,803 words) - 07:35, 25 July 2023