What is the electronic configuration of the element with atomic number 61 (Promethium)? - d and f BLOCK ELEMENTS Quiz | GKFix.in

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Question

What is the electronic configuration of the element with atomic number 61 (Promethium)?

A. [Xe] 4f^4 6s^2
B. [Xe] 4f^6 6s^2
C. [Xe] 4f^5 5d^1 6s^1
D. [Xe] 4f^5 6s^2

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