Which elements is an example of noble gas

Which one of the following elements is an example of noble gas ?

  1. Nitrogen
  2. Hydrogen
  3. Chlorine
  4. Helium
Anurag Mishra Professor Asked on 19th December 2015 in Chemistry.
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  • 1 Answer(s)

    Answer: (4) Helium 

    Anurag Mishra Professor Answered on 19th December 2015.
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