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an element with the valence electron configuration 4s^2 4p^5 would form a monotonic ion with a...

an element with the valence electron configuration 4s^2 4p^5 would form a monotonic ion with a charge of. .in order to forn this ion, the element will. electrons from/into. subshells

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Answer #1

Br = 35 [Ar]3d^104s^24p^5

Br + e^- -----------> Br^-

Br to get inert gas configuration Br^-

Br^-    = [Ar]3d^104s^24p^6

Br^- to get the Kr

Kr = 1s^2 2s^2 2p^63s^2 3p^6 3d610 4s^24p^6

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