What is the the electron configuration of #Cu^(2+)#?

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Answer 1 · 2016-11-18T14:56:00

Full electron configuration
(Same as Co)
#1s^2 2s^2 2p^6 3s^2 3p^6 4s^2 3d^7#
Noble gas electron configuration
#["Ar"]4s^2 3d^7#