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  1. Hydrogen - Wikipedia

    Hydrogen is a chemical element; it has the symbol H and atomic number 1. It is the lightest and most abundant chemical element in …

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

    Jun 8, 2026 · The earliest known chemical property of hydrogen is that it burns with oxygen to form water; indeed, the name …

  3. Hydrogen Energy Explained: Everything You Should Know

    Hydrogen energy refers to the use of hydrogen as a clean and versatile energy carrier which is capable of storing, moving and …

  4. Hydrogen - Department of Energy

    Nov 14, 2024 · Hydrogen has been described as the “Swiss army knife” of energy because it plays a key role in several sectors …

  5. Hydrogen atom - Wikipedia

    A hydrogen atom is an atom of the chemical element hydrogen. The electrically neutral hydrogen atom contains a single positively …

  6. Hydrogen Facts, Symbol, Discovery, Properties, Uses

    Hydrogen (pronounced as Hi-dreh-jen) is a colorless gas represented by the chemical symbol H. It is the first element in the periodic …

  7. Hydrogen Fuel Basics - Department of Energy

    Hydrogen is a fuel that, when consumed in a fuel cell, produces only water. Hydrogen can be produced from a variety of domestic …

  8. Today's hydrogen news updates from around the world.

    1 day ago · Keep up-to-date with the hydrogen news updates and current hydrogen projects.

  9. Hydrogen Factsheet | Center for Sustainable Systems

    Hydrogen is a feedstock and energy carrier used in multiple sectors. Global hydrogen demand reached 97 Mt in 2023, a 2.5% …

  10. Hydrogen water: Does it have health benefits? | UT MD Anderson

    Jan 29, 2026 · There’s limited evidence that hydrogen water has more long-term benefits and effectiveness compared to regular …