Definition of HELIUM. Meaning of HELIUM. Synonyms of HELIUM

Here you will find one or more explanations in English for the word HELIUM. Also in the bottom left of the page several parts of wikipedia pages related to the word HELIUM and, of course, HELIUM synonyms and on the right images related to the word HELIUM.

Definition of HELIUM

Helium
Helium He"li*um, n. [NL., fr. Gr. ? the sun.] (Chem.) A gaseous element found in the atmospheres of the sun and earth and in some rare minerals.

Meaning of HELIUM from wikipedia

- Helium (from Gr****: ἥλιος, romanized: helios, lit. 'sun') is a chemical element; it has symbol He and atomic number 2. It is a colorless, odorless, non-toxic...
- 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...
- Helium (2He) (standard atomic weight: 4.002602(2)) has nine known isotopes, but only helium-3 (3He) and helium-4 (4He) are stable. All radioisotopes are...
- referred to as aerogens) are the members of group 18 of the periodic table: helium (He), neon (Ne), argon (Ar), krypton (Kr), xenon (Xe), radon (Rn) and, in...
- Liquid helium is a physical state of helium at very low temperatures at standard atmospheric pressures. Liquid helium may show superfluidity. At standard...
- helium Helium-3 Helium-4 Helium (band), American rock band Helium (Pram album), 1994 Helium (H3llb3nt album), 1998 Helium (Homeshake album) "Helium" (Sia...
- 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...
- protons and two neutrons bound together into a particle identical to a helium-4 nucleus. They are generally produced in the process of alpha decay but...
- 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...
- universe's helium (as isotope helium-4 (4He)), along with small fractions of the hydrogen isotope deuterium (2H or D), the helium isotope helium-3 (3He)...