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not sure we should count "undiscovered" elements
The '''noble gases''' include [[helium]], [[neon]], [[argon]], [[krypton]], [[xenon]], [[radon]], and [[ununoctium]].
The '''noble gases''' include [[helium]], [[neon]], [[argon]], [[krypton]], [[xenon]], and [[radon]].
They are a column of [[element]]s on the [[periodic table of the elements|periodic table]].
They are a column of [[element]]s on the [[periodic table of the elements|periodic table]].
The noble gases are the most unreactive elements, due to the fact that their outer shell of [[valence electron]]s is already full, causing them to not need to bind with other elements to become stable.
The noble gases are the most unreactive elements, due to the fact that their outer shell of [[valence electron]]s is already full, causing them to not need to bind with other elements to become stable.
[[category:chemistry]]
[[category:chemistry]]