An atom is chemically stable if its outer energy level (is filled with, contains no) electrons.

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Physics

21 October, 05:48

An atom is chemically stable if its outer energy level (is filled with, contains no) electrons.

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Jimmy Collier · Answer 1

Well, according to the octet rule, an atom is chemically stable when the outer energy level is filled with 8 electrons. Similar is the case with noble gases. They contain 8 electrons in the outermost shell and thus they are stable.