What Is the Core Notation for the Electron Configuration of an Ferrous

question 68

Multiple Choice

What is the core notation for the electron configuration of an ferrous ion,Fe₂+?

• A)[Ar] 4S₂ 3d4
• B)[Ar] 4S₂ 3d6
• C)[Ar] 4S₂ 3d8
• D)[Ar] 3d6
• E)none of the above

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