bn:00006823n
Noun Concept
Categories: E-number additives, Gaseous signaling molecules, Hydrogen, Nuclear fusion fuels, Airship technology
EN
hydrogen  H  atomic number 1  Compressed Gaseous Hydrogen  1H
EN
A nonmetallic univalent element that is normally a colorless and odorless highly flammable diatomic gas; the simplest and lightest and most abundant element in the universe WordNet 3.0
English:
element
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EN
A nonmetallic univalent element that is normally a colorless and odorless highly flammable diatomic gas; the simplest and lightest and most abundant element in the universe WordNet 3.0 & Open English WordNet
Hydrogen is a chemical element; it has symbol H and atomic number 1. Wikipedia
Hydrium is a former name for hydrogen. Wikipedia Disambiguation
Chemical element with symbol H and atomic number 1. Wikipedia Disambiguation
Chemical element with symbol H and atomic number 1; lightest and most abundant substance in the universe Wikidata
A flammable colourless gas that is the lightest and most abundant element in the universe. It occurs mainly in water and in most organic compounds and is used in the production of ammonia and other chemicals, in the hydrogenation of fats and oils, and in welding. OmegaWiki
The lightest chemical element (symbol H), with an atomic number of 1 and atomic weight of 1.00794. Wiktionary
Chemical element. Wiktionary (translation)