What Is the Ground-State Electron Configuration for Fe²⁺ (Z =

question 13

Multiple Choice

What is the ground-state electron configuration for Fe²⁺ (Z = 26) ?

• A)[Ar] 4s² 3d⁸
• B)[Ar] 4s² 3d⁴
• C)[Ar] 3d⁶
• D)[Ar] 4s¹ 3d⁵

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