What Is the Ground-State Electron Configuration of Nb

question 19

Multiple Choice

What is the ground-state electron configuration of Nb?

• A) [Kr]4d⁴5s¹
• B) [Kr]4d⁵5s²
• C) [Kr]5d³4s²
• D) [Kr]5d³5s²
• E) [Kr]4d³5s²

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