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Because the outermost layer of the shells of the noble gases is filled with the maximum number of electrons - 2 electrons into the s block (s orbital) and 6 electrons into the p block (per 2 in py, px, and pz orbitals).

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2w ago

Noble gases have a stable electron configuration with a full outer shell, making them highly unreactive. This full outer shell makes it energetically unfavorable for them to form bonds with other atoms to create diatomic or larger molecules. Their lack of reactivity is due to their already stable state, which does not require them to bond with other atoms to achieve stability.

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Q: Why do the atoms of a noble gas not combine to from diatomic or large molecules?
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