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Hydrogen - Wikipedia
Hydrogen is a chemical element with symbol H and atomic number 1. With a standard atomic weight of 1.008, hydrogen is the lightest element in the periodic table.Its monatomic form (H) is the most abundant chemical substance in the Universe, constituting roughly 75% of all baryonic mass. Non-remnant stars are mainly composed of hydrogen in the plasma state. ...
hydrogen | Properties, Uses, & Facts | Britannica.com
Hydrogen: Hydrogen, a colorless, odorless, tasteless, flammable gaseous substance that is the simplest member of the family of chemical elements. The earliest known chemical property of hydrogen is that it burns with oxygen to form water; indeed, the name hydrogen is derived from Greek words meaning ‘maker of water.’
Facts About Hydrogen - Live Science
The most abundant element in the universe, hydrogen is also a promising source of "clean" fuel on Earth. Pure hydrogen gas is scarce in Earth's atmosphere and any hydrogen that actually enters the ...
Hydrogen - Element information, properties and uses ...
Hydrogen also has many other uses. In the chemical industry it is used to make ammonia for agricultural fertiliser (the Haber process) and cyclohexane and methanol, which are intermediates in the production of plastics and pharmaceuticals.
Hydrogen | H2 - PubChem
Hydrogen is a colorless, odorless, nonmetallic, tasteless, highly flammable diatomic gas with the molecular formula H2. With an atomic weight of 1. 00794, hydrogen is the lightest element.
Hydrogen - definition of hydrogen by The Free Dictionary
a. 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.
Hydrogen One
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Hydrogen - EERE: Alternative Fuels Data Center Home Page
Hydrogen. Hydrogen, when used in a fuel cell to provide electricity, is an emissions-free alternative fuel produced from diverse energy sources. Currently, drivers of fuel cell electric vehicles (FCEVs) can fuel up at retail stations in less than 5 minutes and obtain a driving range of more than 300 miles. Research and commercial efforts are under way to expand the limited hydrogen fueling ...
Is Hydrogen Water Actually Good For You? - Time
Even without that confirmation, hydrogen water is the next big thing in wellness in Japan. The Ministry of Health recently approved hydrogen-infused saline IVs to help people recovering from ...
Hydrogen atom - Wikipedia
A hydrogen atom is an atom of the chemical element hydrogen.The electrically neutral atom contains a single positively charged proton and a single negatively charged electron bound to the nucleus by the Coulomb force. Atomic hydrogen constitutes about 75% of the baryonic mass of the universe.. In everyday life on Earth, isolated hydrogen atoms (called "atomic hydrogen") are extremely rare.