What is the ground-state electron configuration of Se 27 O [Ar]3d124524p4 O [Ar]3d10452454 [Ar]3d10452406 [Ar]3d104524p2 An...

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1 Se (34) A] 1522522p63823p64s%3d%%p4 Se2(36) ises?2p35pus3dup6 Any: -1 (Ar) 3d4534p6 1) 35%3p3 belongs to → period 3; öro

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