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2012-06-19

Density of Noble Gases



After watching video, can you answer the following questions:

  1. Name all noble gases. 
  2. State one physical property of noble gases mentioned in this video. 
  3. How does this physical property change when going down Group 18? 

2 comments:

  1. 1)1-helium
    2-neon
    3-argon
    4-krypton
    5-zenon
    2)colouless n transparent
    3)As the atomic number decrease, the gas get denser.

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  2. The names of Noble gases are given correctly except xenon.
    Physical property mentioned: density
    Density of noble gases increase when going down the group!

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