Video:Learn Basic Hydrogen Factswith Anne Marie Helmenstine
Hydrogen facts are important to learn, since hydrogen is the most abundant element in the universe. Here are some hydrogen facts regarding its color, odor and other properties.See Transcript
Transcript:Learn Basic Hydrogen Facts
Basic Hydrogen Gas FactsHydrogen is the most abundant element in the universe. It is a colorless, odorless, combustible gas.
Hydrogen gas ordinarily is a mixture of two molecular forms, ortho- and para-hydrogen, which differ by the spins of their electrons and nuclei. Normal hydrogen at room temperature consists of 25% of the para form and 75% of the ortho form.
Liquid Hydrogen FactsLiquid hydrogen is used in cryogenics and in the study of superconductivity. Great quantities are used for the fixation of nitrogen from the air in the Haber ammonia process. Hydrogen is used in welding, for the hydrogenation of fats and oils, in methanol production, in hydrodealkylation, hydrocracking, and hydrodesulfurization.
Uses of HydrogenOther applications include producing rocket fuel, filling balloons, making fuel cells, producing hydrochloric acid, and reducing metallic ores.
Hydrogen Isotope Deuterium is used as a moderator to slow down neutrons and as a tracer. Tritium is used in the production of the hydrogen bomb and in making luminous paints and as a tracer.
Hydrogen occurs in the free state in volcanic and some natural gases Hydrogen is prepared by steam on heated carbon, decomposition of certain hydrocarbons with heat, action of sodium or potassium hydroxide on aluminum electrolysis of water, or displacement from acids by certain metals.
While about 75% of the universe's elemental mass is hydrogen, hydrogen is relatively rare on Earth. The most common isotope of hydrogen is protium, which has one proton, but no neutrons.
The atomic number of Hydrogen is 1. And the symbol for Hydrogen is H.
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