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Hydrogen is a chemical element with chemical symbol H and atomic number 1. With an atomic .... A more accurate description of the hydrogen atom comes from a purely quantum mechanical treatment that ...

Hydrogen - Element information, properties and uses | Periodic Table


Element Hydrogen (H), Group 1, Atomic Number 1, s-block, Mass 1.008. Sources, facts, uses, scarcity (SRI), podcasts, alchemical symbols, videos and images.

Hydrogen - definition of hydrogen by The Free Dictionary


A colorless, highly flammable element, that occurs as a diatomic molecule, H2, the lightest of all gases and the most abundant element in the universe, used in ...

Chemical Elements.com - Hydrogen (H)


Facts. Date of Discovery: 1766. Discoverer: Henry Cavendish Name Origin: From the Greek words hudôr (water) and gennan (generate) Uses: Balloons, metal ...



At room temperature hydrogen is a gas. It is a colorless, tasteless and odorless gas. It is the lightest gas. It is insoluble in water. It is highly inflammable and burns  ...

Hydrogen (H) - Chemical properties, Health and Environmental effects


Hydrogen was observed and collected long before it was recognized as a unique gas by Robert Boyle in 1671, who dissolved iron in diluted hydrochloric acid.

Hydrogen Properties - The Periodic Table


What is the definition of Hydrogen? It is a colorless, highly flammable gaseous element, the lightest of all gases and the most abundant element in the universe.

Hydrogen Facts - Gas, Atom, Uses, Properties, Element H, Fuel Cell ...


Enjoy these cool hydrogen facts and learn more about the uses, properties and ... The chemical symbol of hydrogen is H. It is an element with atomic number 1, ...

Hydrogen, Chemical Element - reaction, water, uses, elements ...


Overview. Hydrogen is the most abundant element in the universe. Nearly nine out of every ten atoms in the universe are hydrogen atoms. Hydrogen is also ...

Hydrogen dictionary definition | hydrogen defined


The element hydrogen on the periodic table. Licensed from iStockPhoto. noun. The definition of hydrogen is a gaseous element that has no color or odor and is  ...

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Description of the Hydrogen Atom - Boundless


Learn more about description of the hydrogen atom in the Boundless open textbook.

Hydrogen | Define Hydrogen at Dictionary.com


Hydrogen definition, a colorless, odorless, flammable gas that combines chemically with oxygen to form water: the lightest of the known elements. Symbol: H ...

Hydrogen»the essentials [WebElements Periodic Table]


WebElements uses cookies on our website to provide the best service for you. More info ... picture of the sun in which hydrogen is the most abundant element.