What Is the Core Notation for the Electron Configuration of a Cobalt(II)ion,CO₂

question 174

Multiple Choice

What is the core notation for the electron configuration of a cobalt(II) ion,CO₂+?

• A)[Ar] 4S₂ 3d5
• B)[Ar] 4S₂ 3d7
• C)[Ar] 4S₂ 3d9
• D)[Ar] 3d7
• E)none of the above

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