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What property do all of the group 18 elements have that make them stand out from other elements?
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What property do all of the group 18 elements have that make them stand out from other elements?

User Wladek Surala
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1 Answer

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They are very stable (not reactive).

This is because their outer shell has a total of 8 valence electrons. All elements strive to get towards a full outer shell, but since these elements already have a full outer shell, they are fairly unreactive.
User Ajoe
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