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This is an accepted version of this page This is the latest accepted revision, reviewed on 25 January 2025. Chemical element with atomic number 10 (Ne) This article is about the chemical element. For other uses, see Neon (disambiguation). Chemical element with atomic number 10 (Ne) Neon, 10 Ne Neon Appearance colorless gas exhibiting an orange-red glow when placed in an electric field Standard ...
Neon has three main stable isotopes: 20 Ne, 21 Ne and 22 Ne, with 20 Ne produced by cosmic nucleogenic reactions, causing high abundance in the atmosphere. [ 97 ] [ 103 ] 21 Ne and 22 Ne are produced in the earth's crust as a result of interactions between alpha and neutron particles with light elements; 18 O, 19 F and 24,25 Mg. [ 104 ]
Gas-rich meteorites are meteorites with high levels of primordial gases, such as helium, neon, argon, krypton, xenon and sometimes other elements. [1] Though these gases are present "in virtually all meteorites," [2] the Fayetteville meteorite has ~2,000,000 x10 −8 cc STP/g helium, [3] or ~2% helium by volume equivalent.
This list is sorted by boiling point of gases in ascending order, but can be sorted on different values. "sub" and "triple" refer to the sublimation point and the triple point, which are given in the case of a substance that sublimes at 1 atm; "dec" refers to decomposition. "~" means approximately. Blue type items have an article available by ...
At last year’s U.N. climate conference, known as COP27, it also joined other rich nations to promise more money for developing countries to fight climate change.
Earth’s magnetic field lines also carry charged particles free-floating in the atmosphere to two dense bands north and south of the equator that are known as crests.
Water vapor has been detected in the atmosphere of a Neptune-size exoplanet called TOI-674 b, which is located about 150 light-years away from Earth. Water vapor found in another planet's ...
The ions, Ne +, [NeAr] +, [NeH] +, and [HeNe] + are known from optical and mass spectrometric studies. Neon also forms an unstable hydrate. [23] There is some empirical and theoretical evidence for a few metastable helium compounds which may exist at very low temperatures or extreme pressures.