Definition of Hydrogen. Meaning of Hydrogen. Synonyms of Hydrogen

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

Definition of Hydrogen

Hydrogen
Hydrogen Hy"dro*gen, n. [Hydro-, 1 + -gen: cf. F. hydrog[`e]ne. So called because water is generated by its combustion. See Hydra.] (Chem.) A gaseous element, colorless, tasteless, and odorless, the lightest known substance, being fourteen and a half times lighter than air (hence its use in filling balloons), and over eleven thousand times lighter than water. It is very abundant, being an ingredient of water and of many other substances, especially those of animal or vegetable origin. It may by produced in many ways, but is chiefly obtained by the action of acids (as sulphuric) on metals, as zinc, iron, etc. It is very inflammable, and is an ingredient of coal gas and water gas. It is standard of chemical equivalents or combining weights, and also of valence, being the typical monad. Symbol H. Atomic weight 1.

Meaning of Hydrogen from wikipedia

- with the formula H2, sometimes called dihydrogen, hydrogen gas, molecular hydrogen, or simply hydrogen. It is colorless, odorless, non-toxic, and highly...
- Hydrogen peroxide is a chemical compound with the formula H2O2. In its pure form, it is a very pale blue liquid that is slightly more viscous than water...
- Hydrogenation is a chemical reaction between molecular hydrogen (H2) and another compound or element, usually in the presence of a catalyst such as nickel...
- In chemistry, a hydrogen bond (H-bond) is a specific type of molecular interaction that exhibits partial covalent character and cannot be described as...
- Hydrogen sulfide is a chemical compound with the formula H2S. It is a colorless chalcogen-hydride gas, and is toxic, corrosive, and flammable, with trace...
- compound with the chemical formula CH4 (one carbon atom bonded to four hydrogen atoms). It is a group-14 hydride, the simplest alkane, and the main constituent...
- includes hydrogen trains, zero-emission multiple units, or ZEMUs—generic terms describing rail vehicles, large or small, which use on-board hydrogen fuel...
- as acidity or basicity, historically denotes "potential of hydrogen" (or "power of hydrogen"). It is a logarithmic scale used to specify the acidity or...
- The compound hydrogen chloride has the chemical formula HCl and as such is a hydrogen halide. At room temperature, it is a colorless gas, which forms white...
- of hydrogen Hydrogen atom, about the physics of atomic hydrogen Hydrogen ion Hydron (chemistry), a.k.a. "proton" or "hydrogen" Isotopes of hydrogen Hydrogen-2...