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