Give me a brief definition on helium. 5 sentences, or 1 paragraph with 5 sentences.

Helium is basically a chemical element in the noble gas group found especially in natural gases and used chiefly for inflating airships and balloons, as a coolant for superconductors, and as a component of inert atmospheres (as in welding). It's colorless, odorless inert gaseous element It is used as a component of artificial atmospheres and laser media, as a refrigerant, as a lifting gas for balloons, and as a superfluid in cryogenic research. On the  periodic table It is on the Atomic number 2

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explanation:

you can't just go around joking about this kind of stuff.