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The '''noble gases''' are the right-most column of [[element]]s on the [[periodic table of the elements|periodic table]], which includes [[helium]], [[neon]], [[argon]], [[krypton]], [[xenon]], and [[radon]].

The '''noble gases''' are the right-most column of [[element]]s on the [[periodic table of the elements|periodic table]]. The noble gases are: [[helium]], [[neon]], [[argon]], [[krypton]], [[xenon]], and [[radon]].

   

   

The noble gases are the most unreactive elements because their outer shell of [[valence electron]]s is already full, causing them to not need to bind with other elements to become stable.<ref>Fishbaugh K.E. et al. ''Geology and Habitability of Terrestrial Planets''; Springer Science+Business Media; Location unknown. p. 171, (2007) [http://books.google.com/books?id=U1iOY_ObZ2UC&lpg=PA171&dq=%22since%20noble%20gases%22&pg=PA171#v=onepage&q=%22since%20noble%20gases%22&f=false]</ref>

The noble gases are the most unreactive elements because their outer shell of [[valence electron]]s is already full, causing them to not need to bind with other elements to become stable.<ref>Fishbaugh K.E. et al. ''Geology and Habitability of Terrestrial Planets''; Springer Science+Business Media; Location unknown. p. 171, (2007) [http://books.google.com/books?id=U1iOY_ObZ2UC&lpg=PA171&dq=%22since%20noble%20gases%22&pg=PA171#v=onepage&q=%22since%20noble%20gases%22&f=false]</ref>