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  1. noble gas

    英式

    • n.
      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.
    • noun: noble gas, plural noun: noble gases

  2. 知識+

    • 用英文解釋名詞

      ... located between two panels of glass hold an inert mixture of noble gases (neon and xenon). The gas in the cells is electrically turned...

    • 一些化學翻譯 幫翻譯 謝謝~

      7.寫貴族-瓦斯-被為團體 5 一和 Period4 的元素縮寫電子結構的核心....8.哪下列各項是反磁性的和那一個是常磁性的? 解釋。9.哪些群體的元素有有最大的否定的電子密切關係評價? 解釋。 

    • 一些關於science的英文問題 急 20點喔

      ..., alkali earth metals, transition metals, halogens and noble gases 2006-05-23 18:17:27 補充: 5. "alloy", they are referring...