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NEET Sample Paper NEET Sample Test Paper-70

  • question_answer
    Which of the following statements is not correct about the electronic configuration of gaseous chromium atom?

    A) It has 5 electrons in 3d and one electron in 4s orbitals

    B) The principal quantum numbers of its valence electrons are 3 and 4

    C) It has 6 electrons in 3d orbital

    D) Its valance electrons have quantum number ?1?, 0, and 2

    Correct Answer: C

    Solution :

    It has 6 electrons in 3d orbital.              


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