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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 is …

  2. Regional Clean Hydrogen Hubs - Department of Energy

    H2 Matchmaker is an online information resource to assist hydrogen suppliers and users with self-identifying collaborators and opportunities to expand development toward realizing regional hydrogen …

  3. 2025 Four Winns H2 Freedom Base | Rocky Mountain Boat Company

    The H2 Freedom elevates every on-water experience with the perfect blend of performance, comfort, and versatility. Featuring an expanded seating area and a powerful Mercury 250-horsepower …

  4. 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 …

  5. 2025 Four Winns H2 Base | Rocky Mountain Boat Company | Pueblo …

    2025 Four Winns H2 Base Year 2025 Manufacturer Four Winns Model Name H2 Trim Name Base Generic Type (Primary) Bowrider Engine Power Max: 300 hp (224 kW)

  6. H2 Database Engine

    Welcome to H2, the Java SQL database. The main features of H2 are: Newsfeeds: Full text (Atom) or Header only (RSS). Email Newsletter: Subscribe to H2 Database News (Google account required) to …

  7. Hydrogen - Reactivity, Uses, Properties | Britannica

    Dec 7, 2025 · One molecule of hydrogen dissociates into two atoms (H 2 → 2H) when an energy equal to or greater than the dissociation energy (i.e., the amount of energy required to break the bond that …

  8. 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 …

  9. 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 …

  10. Hydrogen (H) - Definition, Preparation, Properties, Uses, Compounds ...

    Jan 21, 2025 · We write H2 instead of H because hydrogen naturally exists as a diatomic molecule, meaning two hydrogen atoms bond together to form H2, the most stable form of hydrogen gas.