What Is the Electron Configuration for the Fe²⁺ ion

question 42

Multiple Choice

What is the electron configuration for the Fe²⁺ ion?

• A) [Ar]4s²3d⁴
• B) [Ar]4s⁰3d⁶
• C) [Ar]4s²3d⁸
• D) [Ar]4s⁶3d²
• E) [Ar]4s⁰3d⁸

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