Helium (from Greek: ἥλιος, romanized: helios, lit. 'sun') is a chemical element; it has symbol He and atomic number 2. It is a colorless, odorless, tasteless...
147 KB (16,229 words) - 07:28, 18 July 2024
Helium-3 (3He see also helion) is a light, stable isotope of helium with two protons and one neutron. (In contrast, the most common isotope, helium-4...
64 KB (7,244 words) - 11:26, 25 July 2024
Noble gas (redirect from Helium family (p6))
are the naturally occurring members of group 18 of the periodic table: helium (He), neon (Ne), argon (Ar), krypton (Kr), xenon (Xe), and radon (Rn). Under...
72 KB (7,317 words) - 03:08, 27 July 2024
Liquid helium is a physical state of helium at very low temperatures at standard atmospheric pressures. Liquid helium may show superfluidity. At standard...
12 KB (1,212 words) - 17:33, 6 June 2024
there are nine known isotopes of helium (2He) (standard atomic weight: 4.002602(2)), only helium-3 (3 He ) and helium-4 (4 He ) are stable. All radioisotopes...
25 KB (2,644 words) - 00:37, 16 July 2024
High-pressure nervous syndrome (redirect from Helium Tremors)
containing helium. The effects experienced, and the severity of those effects, depend on the rate of descent, the depth and the percentage of helium. "Helium tremors"...
8 KB (885 words) - 07:42, 22 July 2024
cooling of helium-4 (the more common isotope of helium), a 1-K pot liquefies a small amount of helium-3 in a small vessel called a helium-3 pot. Evaporative...
1 KB (136 words) - 22:54, 23 May 2021
helium Helium-3 Helium-4 Helium (band), American rock band Helium (Pram album), 1994 Helium (H3llb3nt album), 1998 Helium (Homeshake album) "Helium" (Sia...
2 KB (256 words) - 12:58, 23 July 2022
Helium Vola is a German "electro-medieval" band founded in 2001 by Ernst Horn, who was also one of the founding members of Deine Lakaien and Qntal. Helium...
12 KB (1,378 words) - 16:02, 11 September 2023
A helium atom is an atom of the chemical element helium. Helium is composed of two electrons bound by the electromagnetic force to a nucleus containing...
35 KB (6,005 words) - 00:34, 16 July 2024