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  1. 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 …

  2. Hydrogen | Properties, Uses, & Facts | Britannica

    2025年12月7日 · Hydrogen, a colorless, odorless, tasteless, flammable gaseous substance that is the simplest member of the family of chemical elements. The earliest known chemical property …

  3. Station Map | H2FCP

    01/06/26 - The Woodland Hills hydrogen fueling station is permanently closed and will no longer be available for service. We encourage you to check the SOSS map or app for alternative …

  4. 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 …

  5. What is h2 in chemistry? - California Learning Resource Network

    2025年4月18日 · Hydrogen (H 2), a diatomic molecule consisting of two hydrogen atoms covalently bonded, holds a position of paramount importance in chemistry, physics, and …

  6. 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 …

  7. 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.

  8. Hydrogen Basics - Alternative Fuels Data Center

    Hydrogen (H 2) is an alternative fuel that can be produced from diverse domestic resources, including renewables, and is expected to play an important, multi-pronged role in …

  9. 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 …

  10. Hydrogen - NIST Chemistry WebBook

    NIST subscription sites provide data under the NIST Standard Reference Data Program, but require an annual fee to access. The purpose of the fee is to recover costs associated with the …