Search results for "Beta emission" - New World Encyclopedia
From New World Encyclopedia
- Chlorine (chemical symbol Cl, atomic number 17) is a nonmetal that belongs to a group of chemical elements known as halogens. At ordinary temperatures ...15 KB (2,040 words) - 17:07, 10 December 2023
- warmed above 13.2 °C, it changes into white or beta tin, which is metallic and has a tetragonal structure. When cooled, it slowly returns to the gray ...16 KB (2,335 words) - 23:38, 30 April 2023
- 241Pu which in turn decayed into 241Am via beta decay. Seaborg was granted ... than neptunium or uranium. Alpha emission from 241Am is approximately ...9 KB (1,328 words) - 06:50, 25 July 2023
- from thallium's bright green spectral emission lines. Crookes and Claude-Auguste Lamy isolated the metal independently of each other in 1862. ...13 KB (1,784 words) - 15:06, 30 April 2023
- or concentrated mineral acids with the emission of hydrogen. It is soft ... capture, and the primary mode after is beta minus decay. The primary decay ...10 KB (1,193 words) - 17:27, 12 February 2024
- Gold (chemical symbol Au; atomic number 79) has long been valued as a noble metal and a symbol of purity, durability, and royalty. Its attractive ...28 KB (4,319 words) - 04:05, 24 May 2024
- equipment, improving the electron emission of heated cathodes. * It has been used in gas tungsten arc welding electrodes and heat-resistant ceramics. ...14 KB (1,909 words) - 23:00, 30 April 2023
- * emission of very high energy photons, called gamma rays ... X-rays (those with precisely defined emission lines) may be emitted. ...22 KB (3,405 words) - 00:39, 17 November 2022
- Molybdenum (chemical symbol Mo, atomic number 42) is a silvery white, soft metal. It has one of the highest melting points of all pure elements ...14 KB (1,925 words) - 19:51, 9 November 2022
- Category:Public number=78 | symbol=Pt | name=platinum | left=iridium | right=gold | above=Pd | below=Ds | color1=#ffc0c0 | color2=black ...14 KB (2,002 words) - 08:01, 24 November 2022
- Vanadium (chemical symbol V, atomic number 23) is a rare, silver-gray metal. It is found combined in several minerals and is one of the 26 elements ...15 KB (2,022 words) - 14:18, 3 May 2023
- very slowly, decaying mainly via an alpha/beta decay chain over periods of ... them (becoming 239U) and decay by beta emission to 239Np which then decays ...31 KB (4,827 words) - 10:09, 11 March 2023
- 21 seconds and decays through neutron emission. The isotope 6Be also is also very short-lived, with a half-life of 5.0 × 10-21 seconds. ...16 KB (2,296 words) - 17:26, 29 September 2023
- ascorbic acid, 30 mg of vitamin E, 6 mg of beta carotene, 100 µg of selenium ... (ZnSe:Te), it is a scintillator (emission peak at 640 nm) suitable ...23 KB (3,335 words) - 17:47, 25 January 2023
- one polymorph is wadsleyite (also called beta-spinel type), and the other ... Radiation-Heated, Probes and Acoustic Emission Monitoring." Chapter ...21 KB (3,036 words) - 02:57, 6 November 2022
- Antimony (chemical symbol Sb, atomic number 51) is a metalloid with four allotropic forms. The stable form of antimony is a blue-white metal ...17 KB (2,369 words) - 06:33, 31 July 2023
- Palladium (chemical symbol Pd, atomic number 46) is a rare, silver-white metal. It is a member of the platinum group of elements and resembles ...13 KB (1,749 words) - 06:25, 18 November 2022
- Category:Public number=6 | symbol=C | name=carbon | left=boron | right=nitrogen | above=- | below=Si | color1=#a0ffa0 | color2=black ...21 KB (2,997 words) - 22:12, 25 November 2023
- in medical imaging, such as positron emission tomography (PET). In positive ... In antimatter-matter collisions resulting in photon emission, the ...23 KB (3,458 words) - 06:25, 31 July 2023
- sodium displays a brilliantly bright yellow emission due to the so-called "sodium D lines" at 588.9950 and 589.5924 nanometers.]] ...21 KB (3,204 words) - 21:54, 30 January 2023
