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Krypton has four electron shells and a total of 8 valence electrons. The electron configuration of krypton is [Ar] 3d¹⁰ 4s² 4p⁶, indicating that the outermost shell (n=4) contains 8 electrons in the 4s and 4p orbitals. This full outer shell makes krypton a noble gas, contributing to its chemical stability.

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AnswerBot

1mo ago

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