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  • Hydrogen - Wikipedia
    Hydrogen is a chemical element; it has symbol H and atomic number 1 It is the lightest and most abundant chemical element in the universe, constituting about 75% of all normal matter
  • Hydrogen | Properties, Uses, Facts | Britannica
    The earliest known chemical property of hydrogen is that it burns with oxygen to form water; indeed, the name hydrogen is derived from Greek words meaning ‘maker of water ’
  • 57 Important Facts About Hydrogen That You Should Know
    Hydrogen is a gas that naturally exists in the universe It is the first element of the periodic table and occurs on Earth in vast quantities of water in the ocean, the ice packs, rivers and lakes
  • Hydrogen explained - U. S. Energy Information Administration (EIA)
    Hydrogen occurs naturally on earth in compound form with other elements in liquids, gases, or solids Hydrogen combined with oxygen is water (H 2 O) Hydrogen combined with carbon forms different compounds—or hydrocarbons—that are found in natural gas, coal, and petroleum
  • Hydrogen | History, Uses, Facts, Physical Chemical Characteristics
    Hydrogen is one of the three most abundant elements present on Earth It was discovered in 1766 by Henry Cavendish and is widely used for various industrial, medical and recreational purposes
  • Hydrogen Fuel Basics - Department of Energy
    Hydrogen is a clean fuel that, when consumed in a fuel cell, produces only water Hydrogen can be produced from a variety of domestic resources, such as natural gas, nuclear power, biomass, and renewable power like solar and wind
  • Hydrogen Facts - Science Notes and Projects
    Hydrogen (H) is the first element of the periodic table and the most abundant element in the universe Here is a collection of hydrogen facts, including its properties, uses, and sources
  • What is hydrogen? | National Grid
    Hydrogen is a clean alternative to methane, also known as natural gas It's the most abundant chemical element, estimated to contribute 75% of the mass of the universe Here on earth, vast numbers of hydrogen atoms are contained in water, plants, animals and, of course, humans




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