你即將離開本站

並前往https://www.bbc.co.uk/bitesize/guides/zy6cfcw/revision/2

Chemical properties of the noble gases - Group 0 - BBC

Argon is used as a 'shield gas' when welding. pieces of metal together. Argon is: denser than air, so it stops air getting to the metal; inert, so the hot metal ...

確定！ 回上一頁

查詢 「Noble gas in air」的人也找了：

  1. noble gas中文
    2.
  2. Noble gas
    3.
  3. Inert gas
    4.
  4. most abundant noble gas in the universe
    5.
  5. why is argon the most abundant noble gas
    6.
  6. Helium gas
    7.
  7. Metalloid gas
    8.
  8. Halogens
    9.