
Hydrogen - Wikipedia
Under standard conditions, hydrogen is a gas of diatomic molecules with the formula H2, called dihydrogen, or sometimes hydrogen gas, molecular hydrogen, or simply hydrogen. Dihydrogen is …
Hydrogen | Properties, Uses, & Facts | Britannica
Dec 7, 2025 · 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 explained - U.S. Energy Information Administration (EIA)
Hydrogen is the simplest element Each atom of hydrogen has only one proton. Hydrogen is also the most abundant element in the universe. The sun, and other stars, are essentially giant balls of …
What is h2 in chemistry? - California Learning Resource Network
Apr 18, 2025 · Hydrogen (H 2), a diatomic molecule consisting of two hydrogen atoms covalently bonded, holds a position of paramount importance in chemistry, physics, and increasingly, in …
3.2: Hydrogen - The Simplest Atom - Chemistry LibreTexts
This page discusses hydrogen (H), the first element, primarily as the diatomic molecule (H2), a colorless, odorless gas used in industries like ammonia and methanol production.
H2 Definition - Intro to Chemistry Key Term | Fiveable
H2 is the chemical formula for the diatomic molecule of hydrogen, which is the simplest and most abundant element in the universe. This term is crucial in understanding the phases and classification …
H2 Health | Physical Therapy, Occupational Therapy & More
Now housing healthcare professionals with decades of cumulative experience and the finest expertise, H2 Health is a new company poised to establish itself as one of the most trusted and reliable …
What is Hydrogen (H2) Gas? - gasdog.com
Jun 26, 2025 · Hydrogen (H2) gas is widely recognized as one of the most important elements in the universe and a potential fuel for a clean energy future. As the lightest and most abundant element, …
The Element Hydrogen -- Hydrogen Atom - World of Molecules
Hydrogen is the lightest chemical element with its most common isotope consisting of just a single proton and electron. At standard temperature and pressure conditions, hydrogen forms a diatomic …
Hydrogen - Formula, Properties, Uses, Facts - Study Chemistry
Hydrogen, symbol H, molecular formula H2 is a colourless, odourless, tasteless, flammable gaseous chemical substances among the periodic table family