Search results for "Helium-4" - New World Encyclopedia
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- Pyotr Leonidovich Kapitsa discovered that helium-4 has almost no viscosity ... Helium-4 (the most common isotope of helium) has two different liquid ...32 KB (4,897 words) - 15:19, 25 January 2023
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- When liquid helium-4 is cooled to a temperature close to absolute zero, it acquires an unusual set of properties known as superfluidity, and ...7 KB (1,079 words) - 13:54, 28 April 2023
- Category:Public number=10 | symbol=Ne | name=neon | left=fluorine | right=sodium | above=He | below=Ar | color1=#c0ffff | color2=green ...6 KB (841 words) - 16:18, 11 November 2022
- A giant star is a star with substantially larger radius and luminosity than a main sequence star of the same surface temperature. It is, therefore ...9 KB (1,372 words) - 07:44, 24 January 2023
- 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
- The properties of lasers and masers, superfluid helium-4 and Bose–Einstein ... *The atom helium-4 (4He) is made of 2 protons, 2 neutrons and 2 electrons ...10 KB (1,425 words) - 17:22, 22 December 2022
- Phenomenological theory of superfluidity in helium-4 was created by ... Although the phenomenologies of the superfluid states of helium-4 ...15 KB (2,275 words) - 17:44, 28 March 2024
- thumbnail|A figurative depiction of the helium-4 atom. In the nucleus, the ... in a small atomic nucleus like that of helium-4, in which the two protons ...13 KB (1,903 words) - 06:57, 21 August 2023
- Pyotr Leonidovich Kapitsa discovered that helium-4 has almost no viscosity ... Helium-4 (the most common isotope of helium) has two different liquid ...32 KB (4,897 words) - 15:19, 25 January 2023
- During detonation, neutrons split lithium-6 into helium-4 and tritium; the tritium then fuses with deuterium, producing more neutrons. As this process ...18 KB (2,638 words) - 16:50, 5 November 2022
- svg|thumb|250px|Alpha radiation consists of helium-4 nuclei and is readily stopped by a sheet of paper. Beta radiation, consisting of electrons, ...13 KB (1,992 words) - 08:22, 23 July 2023
- In particle physics, fermions are a group of elementary (or fundamental) particles that are the building blocks of matter. In the Standard Model ...16 KB (2,185 words) - 17:26, 26 March 2024
- A nonmetal is a chemical element with several properties that are opposite those of a metal. Based on their properties, the elements of the periodic ...6 KB (785 words) - 02:40, 16 November 2022
- According to the Hertzsprung-Russell diagram, The Hertzsprung-Russell diagram shows the relationship between absolute magnitude, luminosity, classification ...10 KB (1,492 words) - 19:09, 16 April 2023
- 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
- u), the deuteron has 2.014 u, and the helium-4 nucleus has 4.0026u. Thus: ... the binding energy per nucleon of the helium-4 nucleus is unusually high ...22 KB (3,405 words) - 00:39, 17 November 2022
- and 2 neutrons), giving another element, plus helium-4. In many cases this process continues through several steps of this kind, including other ...18 KB (2,740 words) - 00:29, 17 November 2022
- 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
- |- | colspan="6" align="center" | 6Li content may be as low as 3.75% innatural samples. 7Li would thereforehave a content ...16 KB (2,302 words) - 04:29, 29 October 2022
- A balloon is a flexible bag normally filled with a gas, such as helium, hydrogen, nitrous oxide or air. Some balloons are purely decorative, ...27 KB (4,279 words) - 05:57, 26 August 2023
- In cosmology, the Steady State theory (also known as the Infinite Universe theory or continuous creation) is a model developed in 1948 by Fred ...10 KB (1,466 words) - 19:55, 9 February 2023
