What Is the Electron Configuration for the Fe²⁺ Ion

question 24

Multiple Choice

What is the electron configuration for the Fe²⁺ ion?

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

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