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The Periodic Table
The Uses of Neon.
See also the uses of Helium - Argon - Krypton and Xenon.
What are the Uses of Neon?
is used in advertising
Neon glows red when an electric current is passed through it.
is the 'starter gas' in sodium street lamps.
Neon conducts electricity when the lamp is first switched on,
and warms the lamp until the sodium vapourises, which
then conducts and glows yellow. The yellow colour mixes
with the red neon and the lamp appears to be orange.
This is why street lamps glow red first and then orange.
3. Neon is used with helium in some lasers.
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