Which of the following electron configurations is correct for iron,(at – InterviewSolution

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1.	Which of the following electron configurations is correct for iron,(atomic number26)?A. `1s^2 2s^2 2p^6 3s^2 3p^6 3d^10 4s^2 4p^6`B. `1s^2 2s^2 2p^6 3s^2 3p^6 4s^2 3d^5`C. `1s^2 2s^2 2p^6 3s^2 3p^6 4s^2 3d^7`D. `1s^2 2s^2 2p^6 3s^2 3p^6 4s^2 3d^6`
Answer» Correct Answer - D Fe (26) -`1s^2 2s^2 2p^6 3s^2 3p^6 4s^2 3d^6`

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