Select the Correct Electron Configuration for Cu (Z = 29)

question 48

Multiple Choice

Select the correct electron configuration for Cu (Z = 29) .

• A)[Ar]4 s ²3 d ⁹
• B)[Ar]4 s ¹3 d ¹⁰
• C)[Ar]4 s ²4 p ⁶3 d ³
• D)[Ar]4 s ²4 d ⁹
• E)[Ar]5 s ²4 d ⁹

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