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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. 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 …

  3. Hydrogen (H) – Definition, Preparation, Properties, Uses ...

    Jan 21, 2025 · Hydrogen gas (H₂) consists of two hydrogen atoms bonded together. Each hydrogen atom has one proton in its nucleus and one electron. In the hydrogen molecule, the two atoms are …

  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. What is Hydrogen Gas? - BYJU'S

    Hydrogen is the non-metal with the chemical symbol H. The molecular formula of hydrogen is H 2. Hydrogen has been recognized as a convenient, clean-burning fuel. It can be stored as a …

  6. 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

  7. Hydrogen - Reactivity, Uses, Properties | Britannica

    5 days ago · 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 …