Electronic configuration of niobium \( (\mathrm{Nb}=41) \) is: (A) \( [\mathrm{Kr}] 4 d^{4}, 5 s...
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42Electronic configuration of niobium \( (\mathrm{Nb}=41) \) is:
(A) \( [\mathrm{Kr}] 4 d^{4}, 5 s^{1} \)
(B) \( [\mathrm{Kr}] 4 d^{6} \)
(C) \( [\mathrm{Kr}] 4 d^{3}, 5 s^{2} \)
(D) \( [\mathrm{Kr}] 5 s^{2} 5 p^{3} \)
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