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Xenon and neon are used in lighting.

Helium-3 is used in fusion.

Helium-4 is used in balloons (to make them float in the air).

Argon is used in fluorescent bulbs and tubes.

Helium and argon are also sometimes used in chemical reactions (laser ablation, laser epitaxy, etc.) where a steady stream of gas is needed to carry products, but not react with them.

Helium and neon are also used in lasers.

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12y ago

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