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Multiple choice

Electronic configuration of niobium (Nb = 41) is

  1. (Kr) 4d4, 5s1

  2. (Kr) 4d5

  3. (Kr) 4d3, 5s2

  4. (Kr) 5s2, 5p3

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A Correct answer
Explanation

Electronic configuration of niobium (Nb = 41) is (Kr) 4d4, 5s1

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