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Neon

/nˈiɑn/
B2
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(noun) The chemical element (symbol Ne) with an atomic number of 10. The second of the noble gases, it is a colourless, odorless inert gas.

The neon sign shone as if to invite us.
Helium, neon, argon, krypton, xenon and radon are noble gases.
CEFR Practice Quiz
The city streets were brightly lit by colorful ____ signs during the night.

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