• Thumbnail for Helium
    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...
    146 KB (16,124 words) - 23:05, 7 May 2024
  • Thumbnail for Liquid helium
    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) - 08:32, 15 February 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 has...
    59 KB (6,915 words) - 20:37, 12 May 2024
  • Helium is the smallest and the lightest noble gas and one of the most unreactive elements, so it was commonly considered that helium compounds cannot exist...
    92 KB (11,102 words) - 18:16, 29 April 2024
  • 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
  • Thumbnail for Helium-4
    Helium-4 (4 He ) is a stable isotope of the element helium. It is by far the more abundant of the two naturally occurring isotopes of helium, making up...
    12 KB (1,391 words) - 16:20, 25 March 2024
  • Thumbnail for Helium atom
    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 (5,997 words) - 04:13, 6 May 2024
  • Thumbnail for Antiprotonic helium
    Antiprotonic helium is a three-body atom composed of an antiproton and an electron orbiting around a helium nucleus. It is thus made partly of matter,...
    10 KB (1,208 words) - 02:05, 6 October 2023
  • Mt. Helium, formerly known as the Apex Theory, was an American rock band from Los Angeles, California, that was known for playing Mediterranean music mixed...
    9 KB (703 words) - 03:39, 11 August 2023
  • Thumbnail for Helium flash
    A helium flash is a very brief thermal runaway nuclear fusion of large quantities of helium into carbon through the triple-alpha process in the core of...
    13 KB (1,615 words) - 10:45, 11 May 2024