The most stable atoms and thus those that are typically nonreactive are the atoms that have _______.

Question

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Atoms with full outer shells have achieved a stable electron configuration, so they tend to be nonreactive because they do not need to gain or lose electrons. This is commonly referred to as the octet rule, where elements tend to gain, lose or share electrons to obtain 8 electrons in their outermost electron shell (except for hydrogen and helium, which only need 2 electrons).

The Most Stable Atoms and Thus Those That Are Typically