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  1. Element Helium (He), Group 18, Atomic Number 2, s-block, Mass 4.003. Sources, facts, uses, scarcity (SRI), podcasts, alchemical symbols, videos and images.

    • Videos of Helium

      Discover more about the uses and properties of the element...

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    • Arsenic

      Arsenic - Helium - Element information, properties and uses...

    • Molybdenum

      Molybdenum - Helium - Element information, properties and...

    • Tellurium

      Tellurium - Helium - Element information, properties and...

    • Radium

      Radium - Helium - Element information, properties and uses |...

    • Oxygen

      Oxygen - Helium - Element information, properties and uses |...

  2. Helium, chemical element, inert gas of Group 18 (noble gases) of the periodic table. The second lightest element, helium is a colorless, odorless, and tasteless gas that becomes liquid at -268.9 degrees Celsius. The boiling and freezing points of helium are lower than those of any other known substance.

  3. en.wikipedia.org › wiki › HeliumHelium - Wikipedia

    Helium is used for many purposes that require some of its unique properties, such as its low boiling point, low density, low solubility, high thermal conductivity, or inertness.

  4. Explore the versatile world of Helium, the second most abundant element in the universe. Learn about its physical and chemical properties, historical background, and varied applications in healthcare, industry, and everyday life.

  5. Helium: compound properties. Bond strengths; lattice energies of helium halides, hydrides, oxides (where known); and reduction potentials where known. View compound properties...

  6. Helium - Properties, history, name origin, facts, applications, isotopes, electronic configuation, crystal structure, hazards and more; Interactive periodic table of the chemical elements.

  7. The chemical element helium is classed as a noble gas and a nonmetal. It was discovered in 1895 by William Ramsay. Data Zone. Show more, including: Heats, Energies, Oxidation, Reactions, Compounds, Radii, Conductivities. Nasa: Ionized helium atoms at about 60,000 °C in the Sun’s chromosphere emit the ultraviolet light seen in this image.

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