Hydrogen Facts to Remember

  • Hydrogen is the first element on the periodic table.
  • Hydrogen makes up about 75% of all mass in the Universe.
  • A regular hydrogen atom has one electron and one proton.
  • When you find free hydrogen, it is diatomic and found as H2.
  • Hydrogen isotopes are the main fuel for nuclear reactions (deuterium and tritium).

  • More Hydrogen Information...


    Making metallic hydrogen at Harvard (Harvard University Video)

    Hydrogen QuickQuiz


    Useful Reference Materials

    Encyclopædia Britannica:
    https://www.britannica.com/science/hydrogen
    Wikipedia:
    https://en.wikipedia.org/wiki/Hydrogen
    Encyclopedia.com:
    http://www.encyclopedia.com/environment/energy-government-and-defense-magazines/hydrogen
    Los Alamos Labs:
    http://periodic.lanl.gov/1.shtml
    NASA (Liquid Hydrogen Fuel):
    https://www.nasa.gov/topics/technology/hydrogen/hydrogen_fuel_of_choice.html



    Related Links
    Chem4Kids: Periodic Table
    Chem4Kids: Atoms
    Chem4Kids: Compounds
    Chem4Kids: Oxygen
    Chem4Kids: Fusion Reactions
    Geography4Kids: Hydrosphere
    Geography4Kids: Solar Radiation

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