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Identify the Ground-State Electron Configuration for Se²^-

Question 139

Multiple Choice

Identify the ground-state electron configuration for Se²^-.

A) [Ar]4s²3d¹⁰4p⁴
B) [Ar]4s²3d¹⁰4p²
C) [Ar]4s²4p⁶
D) [Ar]4s²3d¹⁰4p⁶
E) [Ar]4s²3d⁸4p⁶

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