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    hydrogen

    US /ˈhaɪdrədʒən/

    ・

    UK /ˈhaɪdrədʒən/

    B1
    n. (u.)Uncountable NounLightest of all chemical elements
    A balloon will float when filled with hydrogen

    Video subtitles

    What are Reversible Reactions? | The Chemistry Journey | The Fuse School

    02:46What are Reversible Reactions? | The Chemistry Journey | The Fuse School
    • thermal decomposition of ammonium chloride to form ammonia and hydrogen chloride.

      thermal decomposition of ammonium chloride to form ammonia and hydrogen chloride.

    • thermal decomposition of ammonium chloride to form ammonia and hydrogen chloride.

      thermal decomposition of ammonium chloride to form ammonia and hydrogen chloride.

    B2

    HYUNDAI N 2025 Vision Gran Turismo: Unveiled

    03:02HYUNDAI N 2025 Vision Gran Turismo: Unveiled
    • The Hyundai Motors is the first company to mass produce hydrogen fuel cell cars.

      The Hyundai Motors is the first company to mass produce hydrogen fuel cell cars.

    • The Hyundai Motors is the first company to mass-produce hydrogen fuel cell cars and has thus become a leading figure in fuel cell technology.

      The Hyundai Motors is the first company to mass-produce hydrogen fuel cell cars and has thus become a leading figure in fuel cell technology.

    B1

    The Periodic Table Song (2018 UPDATE!)

    03:05The Periodic Table Song (2018 UPDATE!)
    • There's hydrogen and helium, then lithium beryllium, boron, carbon everywhere.

      There's hydrogen and helium, then lithium beryllium, boron, carbon everywhere.

    • There's Hydrogen and Helium

      There's Hydrogen and Helium

    C1

    Smoking is Awesome

    11:45Smoking is Awesome
    • Cadmium, lead, arsenic and cyanide, hydrogen peroxide or nitrogen oxides cause damage wherever they end up.

      Cadmium, lead, arsenic and cyanide, hydrogen peroxide or nitrogen oxides cause damage wherever they end up.

    B1

    Amazing Earth Facts To Blow Your Mind

    02:53Amazing Earth Facts To Blow Your Mind
    • Gases like hydrogen are so light that they are escaping through the atmosphere at a rate

      Gases like hydrogen are so light that they are escaping through the atmosphere at a rate

    • but what makes up 90% of us is just 3 elements: oxygen (65%), carbon (18.5%) and hydrogen

      but what makes up 90% of us is just 3 elements: oxygen (65%), carbon (18.5%) and hydrogen

    B1

    Peroxisomes Structure & Function

    16:24Peroxisomes Structure & Function
    • One is fatty acid oxidation, second one, hydrogen peroxide metabolism, third one, ethanol metabolism, and the fourth one is biosynthetic function of particular lipids.

      One is fatty acid oxidation, second one, hydrogen peroxide metabolism, third one, ethanol metabolism, and the fourth one is biosynthetic function of particular lipids.

    • Second one, hydrogen peroxide metabolism.

      Second one, hydrogen peroxide metabolism.

    B2

    “He’s A Good Guy In A Compromised Position” - Anthony Carrigan On Metamorpho In The “Superman” Film

    07:43“He’s A Good Guy In A Compromised Position” - Anthony Carrigan On Metamorpho In The “Superman” Film
    • OK, we've got hydrogen, deuterium, and we got helium.

      OK, we've got hydrogen, deuterium, and we got helium.

    • Here we've got hydrogen and deuterium.

      Here we've got hydrogen and deuterium.

    A2

    This Is What Will Happen in the Next 100 Trillion Years

    08:29This Is What Will Happen in the Next 100 Trillion Years
    • In 5 billion years, the Sun will have exhausted its supply of hydrogen and will begin to evolve into its red giant phase.

      In 5 billion years, the Sun will have exhausted its supply of hydrogen and will begin to evolve into its red giant phase.

    • In 5 billion years, the sun will have exhausted its supply of hydrogen and will begin to evolve into its red giant phase.

      In 5 billion years, the sun will have exhausted its supply of hydrogen and will begin to evolve into its red giant phase.

    B1

    Why NASA Is Racing Back To The Moon

    10:09Why NASA Is Racing Back To The Moon
    • The idea being that not only can water help crews survive longer, but can be mined and split into hydrogen and oxygen, which are big components of rocket propellant.

      The idea being that not only can water help crews survive longer, but can be mined and split into hydrogen and oxygen, which are big components of rocket propellant.

    • but can be mined and split into hydrogen and oxygen, which are big components of rocket propellant.

      but can be mined and split into hydrogen and oxygen, which are big components of rocket propellant.

    B1

    The accidental discovery that could help solve fashion's biggest problem

    12:36The accidental discovery that could help solve fashion's biggest problem
    • Technip Energies is best known for energy engineering, such as LNG, hydrogen, and carbon capture.

      Technip Energies is best known for energy engineering, such as LNG, hydrogen, and carbon capture.

    • Technip Energies is best known for energy engineering, such as LNG, hydrogen, and carbon capture.

      Technip Energies is best known for energy engineering, such as LNG, hydrogen, and carbon capture.

    B1