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Noble gases- part 2

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  • True or False: Noble Gases can easily react.
    False
  • Why is Neon used in fluorescent lamps for advertising signs: 'neon signs'?
    it glows & produces a red light when electric current is passed through it
  • The noble gases are inert. What does inert mean?
    Unreactive
  • Argon - gv symbol and uses
    Ar. Used in light bulbs, so filament doesn't burn away like it would in oxygen
  • Which noble gas has the highest atomic number?
    Oganesson - 118
  • Helium- Gv symbol and uses
    He. Used in balloons as it is lighter than air
  • Radon- gv symbol and uses
    Rn. Used to treat cancer, is rare and radioactive
  • In which group do we find the Noble Gases? Group 0 or Group 18?
    Group 18
  • Xenon - gv symbol and uses
    Xe. Used in flashlights and general aesthetics
  • Why is Helium used in 'airships' (blimps)?- advertising
    because it is lightweight, and because it is NOT flammable ( hydrogen is flammable)
  • Which noble gas has the lowest atomic number?
    Helium (2)
  • Krypton - Gv symbol and uses
    Kr. Used in lasers and to treat eye problems
  • Neon - Gv Symbol and uses
    Ne. Used in signs, glows when electricity is passed through
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