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  1. 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 …

  2. 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 …

  3. 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 …

  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. H2 Definition - General Biology I Key Term | Fiveable

    H2 is the most abundant molecule in the universe, playing a crucial role in the formation of stars and galaxies. In biological systems, H2 is produced during metabolic processes and serves as an …

  6. Hydrogen - Thermophysical Properties

    Chemical, Physical and Thermal Properties of Hydrogen - H2. Hydrogen, H2, is a colorless, odorless gas. Hydrogen is easily ignited. Once ignited it burns with a pale blue, almost invisible flame. The …

  7. 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 …

  8. 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 …

  9. Fort Worth Physical Therapy - H2 Health

    Our expert team of physical therapists prove revolutionary relief from pain, injury, & weakness to patients across North Texas. As part of the H2 Health family, we are excited to provide care to more …

  10. 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