What Is the Electron Configuration of Co³⁺

question 73

Multiple Choice

What is the electron configuration of Co³⁺?

• A) [Ar] 3d⁶
• B) [Ar] 4s²4d⁴
• C) [Ar] 3d⁴
• D) [Ar] 4s²3d⁴
• E) none of these

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