Zero group of Mendeleev's periodic table or the group \\\\(18\\\\) of long form of periodic table is comprised of six elements and these eleements are called as inert gases as trhese elements do not react (inert) with other elements due to their octet outer electronic configaration which is stable configaration. The electronic configuration is listed in the following table. S.No Element Symbol Atomic no. Electronic configuration1 Helium He 2 1s\\\\(^2\\\\)2 Neon Ne 10 [He] 2s\\\\(^2\\\\)2p\\\\(^6\\\\)3 Argon Ar 18 [Ne] 3s\\\\(^2\\\\)3p\\\\(^6\\\\) 4 Krypton Kr 36 [Ar] 3d\\\\(^{10}\\\\)4s\\\\(^2\\\\)4p\\\\(^6\\\\) 5 Xenon Xe 54 [Kr] 4d\\\\(^{10}\\\\)5s\\\\(^2\\\\)5p\\\\(^6\\\\) 6 Radon Rn 86 [Xe] 4f\\\\(^{14}\\\\)5d\\\\(^{10}\\\\)6s\\\\(^2\\\\)6p\\\\(^6\\\\)