Neon,argon,xenon and Xenon..
Which Element Is A Noble Gas?
Helium, neon, argon, Krypton, Xenon are all noble gas.
Inert gas consists of six, according to the order of increasing atomic weight,
followed by helium, neon, argon, krypton, xenon, radon. Under normal
circumstances, they are not compounded with other elements, but only in the form
of a single atom.
followed by helium, neon, argon, krypton, xenon, radon. Under normal
circumstances, they are not compounded with other elements, but only in the form
of a single atom.