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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. Kawasaki Ninja H2® | Hypersport Motorcycle | Supercharged Power

    The Kawasaki Ninja H2® ABS and Ninja H2® Carbon ABS motorcycles are the world’s only supercharged production hypersport streetbikes, featuring a 998cc engine.

  3. 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 …

  4. H2 LLC | Custom Shower Doors & More

    H2 offers premium custom shower doors, fireplaces, organizers, & more. Enhance your space with top-quality products and expert installation.

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

    Jan 16, 2026 · 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 …

  6. 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 …

  7. H2 properties - Chemical Portal

    Liquid hydrogen (H₂ (l)) represents the cryogenic liquid state of molecular hydrogen, existing below its critical temperature of 33.0 K. This cryogenic fluid exhibits a boiling point of 20.28 K at standard …

  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. 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 development of …

  10. Hydrogen | H2 | CID 783 - PubChem

    Hydrogen is a colorless, odorless gas. It is easily ignited. Once ignited it burns with a pale blue, almost invisible flame. The vapors are lighter than air. It is flammable over a wide range of vapor/air …