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  • Helium - Wikipedia
    Helium (from Greek: ἥλιος, romanized: helios, lit 'sun') is a chemical element; it has symbol He and atomic number 2 It is a colorless, odorless, non-toxic, inert, monatomic gas and the first in the noble gas group in the periodic table
  • Helium | Definition, Properties, Uses, Facts | Britannica
    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
  • The world keeps running out of helium. There is now a race to . . .
    Helium is an inert gas, which means that it does not react readily with other substances It has the lowest boiling point of any element at -269C (-452F) and a low density The space industry
  • Helium Definition, Facts, Symbol, Discovery, Property, Uses
    Helium (pronunciation: HEE-lee-em) is a colorless, odorless element classified as a non-metal, belonging to the group of inert gases in the periodic table and is represented by the chemical symbol He [1, 2, 3] It is a monoatomic gas that forms weak diatomic molecules only at temperatures close to -273 15 °C or “the absolute zero” [4]
  • About Helium - Bureau of Land Management
    Helium was first identified in 1868 by astronomers studying the sun It is the second most common element in the universe, with only hydrogen being more abundant Here on Earth, Helium is a non-renewable natural resource that is mostly recovered from natural gas deposits
  • Helium Element- Properties, Uses, Toxicity, Safety - Science Info
    Helium element, with the symbol He and atomic number 2, is the second most abundant chemical element in the universe It is a colorless, odorless, tasteless, non-toxic, inert, monatomic gas at the top of the periodic table of noble gases It has the lowest boiling and melting points of any element
  • Helium Element | History, Uses, Facts, Physical Chemical . . .
    Helium is the second most abundant element in the universe and is primarily produced because of radioactive decay It was discovered in 1868 by Jules Janssen and Norman Lockyer The discovery of helium is linked with its primary sources, the sun





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