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

- Hydrogen is the chemical element with the symbol H and atomic number 1. With a standard atomic weight of 1.008, hydrogen is the lightest element in the...
- Hydrogenation – meaning, to treat with hydrogen – is a chemical reaction between molecular hydrogen (H2) and another compound or element, usually in the...
- Hydrogen peroxide is a chemical compound with the formula H 2O 2. In its pure form, it is a very pale blue, clear liquid, slightly more viscous than water...
- Hydrogen sulfide is the chemical compound with the formula H 2S. It is a colorless chalcogen hydride gas with the characteristic foul odor of rotten eggs...
- A hydrogen bond (often informally abbreviated H-bond) is a primarily electrostatic force of attraction between a hydrogen (H) atom which is covalently...
- per liter) of hydrogen ions in a solution. More precisely it is the negative of the base 10 logarithm of the activity of the hydrogen ion. At 25 °C,...
- A hydrogen vehicle is a vehicle that uses hydrogen fuel for motive power. Hydrogen vehicles include hydrogen-fueled space rockets, as well as automobiles...
- compound with the chemical formula CH4 (one atom of carbon and four atoms of hydrogen). It is a group-14 hydride and the simplest alkane, and is the main constituent...
- Hydrogen cyanide (HCN), sometimes called prussic acid, is a chemical compound with the chemical formula HCN. It is a colorless, extremely poisonous and...
- is H2O, meaning that each of its molecules contains one oxygen and two hydrogen atoms, connected by covalent bonds. Water is the name of the liquid state...
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