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How many valence electrons are there in krypton? how many total electrons? explain how you know.
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How many valence electrons are there in krypton? how many total electrons? explain how you know.

User Erikdstock
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The electron configuration of krypton is [Ar]3d104s24p6 . Krypton (Kr) has 8 valence electrons in the 4s and 4p sublevels, which makes it very stable and nonreactive, and this is why it is a noble gas.
User Sissythem
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