The helium hydride ion, hydridohelium(1+) ion, or helonium is a cation (positively charged ion) with chemical formula HeH+. It consists of a helium atom...

oxygen (O). The lightest heteronuclear ion is the helium hydride ion (HeH+). This is in contrast to a homonuclear ion, which contains all the same kind of...

an extra hydrogen atom. It is a positively charged (cationic) molecular ion with the chemical formula NH+4 or [NH4]+. It is formed by the addition of...

with He+ 2 between 135 and 200K. The helium hydride ion HeH+ has been known since 1925. The protonated dihelium ion He2H+ can be formed when the dihelium...

may not include ions that satisfy this criterion. In quantum physics, organic chemistry, and biochemistry, the distinction from ions is dropped and molecule...

clouds, their relative sizes can be determined. Dihydrogen cation, H+2 Helium hydride ion, [HeH]+ Thomson, J. J. (1913). "Rays of Positive Electricity". Proceedings...

In chemistry, an onium ion is a cation formally obtained by the protonation of mononuclear parent hydride of a pnictogen (group 15 of the periodic table)...

polyatomic ions are groups of atoms that are covalently bound together and have an overall ionic charge, such as the sulfate [SO4]2− ion. Each polyatomic ion in...

Argonium (also called the argon hydride cation, the hydridoargon(1+) ion, or protonated argon; chemical formula ArH+) is a cation combining a proton and...

11 May 2021. Helium hydride exists as an ion. Neonium is an ion, and the HNe excimer exists also. Argonium exists as an ion. Kryptonium ion exist as a cation...

the chemical formula NaCl, representing a 1:1 ratio of sodium and chlorine ions. It is transparent or translucent, brittle, hygroscopic, and occurs as the...

CH4 (one carbon atom bonded to four hydrogen atoms). It is a group-14 hydride, the simplest alkane, and the main constituent of natural gas. The abundance...

binary nitrogen hydrides are known, but the most important are hydrazine (N2H4) and hydrogen azide (HN3). Although it is not a nitrogen hydride, hydroxylamine...

detection. Quantum logic operations enable a controllable ion to exchange information with a co-trapped ion that has a complex or unknown electronic structure...

Benzene is sufficiently nucleophilic that it undergoes substitution by acylium ions and alkyl carbocations to give substituted derivatives. The most widely practiced...

nitrogen and oxygen (e.g. cyanide ion CN−, hydrogen cyanide HCN, chloroformic acid ClCO2H, carbon dioxide CO2, and carbonate ion CO2−3).[citation needed] Due...

stars combine hydrogen nuclei to make helium nuclei by stellar fusion, and the comparatively lighter weight of helium allows the star to release the extra...

each sodium atom surrounded by six oxygen atoms, three each from hydroxide ions and three from water molecules. The hydrogen atoms of the hydroxyls form...

HCl + CH3OH → [CH3OH2]+ + Cl− Hydrogen chloride can protonate molecules or ions and can also serve as an acid-catalyst for chemical reactions where anhydrous...

of H0 (in these cases, more negative) indicates a stronger acid. Helium hydride ion (HeH+, H0 = -63) Fluoroantimonic acid (HF:SbF5, H0 = -28) Magic acid...

hydrogen-bonded ion pairs [H3O+·F−]. However concentrated solutions are strong acids, because bifluoride anions are predominant, instead of ion pairs. In liquid...

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, non-toxic...

alkaline conditions. Decomposition is catalysed by various redox-active ions or compounds, including most transition metals and their compounds (e.g....

silicon tetrafluoride (SiF4) with sodium hydride (NaH) or reduction of SiCl4 with lithium aluminium hydride (LiAlH4). Another commercial production of...

inhalation rodenticide and human poison, as well as for killing whales. Cyanide ions interfere with iron-containing respiratory enzymes.[citation needed] Hydrogen...

intense UV radiation. The nebula contains ions of extremely high ionization potential. The helium hydride ion, thought to be the earliest molecule to have...

(August 1, 1967). "Stable carbonium ions. XLVII. Alkylcarbonium ion formation from alkanes via hydride (alkide) ion abstraction in fluorosulfonic acid-antimony...

Carbon monoxide Cyano radical Diatomic carbon Fluoromethylidynium Helium hydride ion Hydrogen chloride Hydrogen fluoride Hydrogen (molecular) Hydroxyl...

Güsten, Rolf; et al. (17 April 2019). "Astrophysical detection of the helium hydride ion HeH+". Nature. 568 (7752): 357–359. arXiv:1904.09581. Bibcode:2019Natur...

(K+) ions and cyanide (CN−) ions. As a solid, KCN has structure resembling sodium chloride: with each potassium ion surrounded by six cyanide ions, and...