Question

what is the meaning of helium, argon, krypton, xenon​

Answer 1

These are called neon gases

Answer 2

Answer:

this all gases are neon gas

Helium:Helium

is a chemical element with the symbol He and atomic number 2. It is a colorless, odorless, tasteless, non-toxic, inert, monatomic gas, the first in the noble gas group in the periodic table. Its boiling point is the lowest among all the elements.

Argon:Argon is a chemical element with the symbol Ar and atomic number 18. It is in group 18 of the periodic table and is a noble gas. Argon is the third-most abundant gas in the Earth's atmosphere, at 0.934% (9340 ppmv).

Explanation:

I don't know other gas

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