Other questions in this quiz

2. Helium is used in airships and party balloons, why?

  • higher density than air- makes it float
  • has a lower density than air- makes the ballon float
  • lower density than oxygen which makes it flow
  • same density as air so makes it float

3. Group 0 element are all inhert gasses, what does this mean?

  • they react miledly
  • dont react with much
  • they are dull
  • they have two mnay electrons

4. noble gasses are

  • on flambable
  • non flammble
  • flambable
  • non soft

5. why dont noble gasses react with much?

  • becasue they have a full outer shell
  • they have too many protons
  • because they dont want to
  • they have one electron

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