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单词 noble gas
释义

Definition of noble gas in English:

noble gas

noun
Chemistry
  • Any of the gaseous elements helium, neon, argon, krypton, xenon, and radon, occupying Group 0 (18) of the periodic table. They were long believed to be totally unreactive but compounds of xenon, krypton, and radon are now known.

    〔化〕惰性气体

    Example sentencesExamples
    • In the early 1960s, a number of chemists found ways of making compounds of some noble gases, including radon, xenon, and krypton.
    • And what you pick up in the atmosphere is minute traces of radioactive isotopes, particularly the noble gases, Argon, Xenon, Krypton, et cetera.
    • The sodium ion has the same electron configuration as neon, the noble gas immediately before it on the Periodic Table.
    • However, the space body left a calling card - complex carbon molecules called buckminsterfullerenes, or Buckyballs, with the noble gases helium and argon trapped inside the caged structure.
    • It combines with all elements except the noble gases of Group 18 of the periodic table.

Definition of noble gas in US English:

noble gas

nounˈnoʊbəl ɡæs
Chemistry
  • Any of the gaseous elements helium, neon, argon, krypton, xenon, and radon, occupying Group 0 (18) of the periodic table. They were long believed to be totally unreactive but compounds of xenon, krypton, and radon are now known.

    〔化〕惰性气体

    Example sentencesExamples
    • The sodium ion has the same electron configuration as neon, the noble gas immediately before it on the Periodic Table.
    • It combines with all elements except the noble gases of Group 18 of the periodic table.
    • In the early 1960s, a number of chemists found ways of making compounds of some noble gases, including radon, xenon, and krypton.
    • And what you pick up in the atmosphere is minute traces of radioactive isotopes, particularly the noble gases, Argon, Xenon, Krypton, et cetera.
    • However, the space body left a calling card - complex carbon molecules called buckminsterfullerenes, or Buckyballs, with the noble gases helium and argon trapped inside the caged structure.
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更新时间:2024/10/19 12:35:54