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JEE Main & Advanced Chemistry The d-and f-Block Elements / d तथा f ब्लॉक के तत्व Question Bank General Characteristics

  • question_answer
    Which of the following statements is not correct about the electronic configuration of gaseous chromium atom [MP PET 1994]

    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 \['l'\] 0 and 2

    Correct Answer: C

    Solution :

    It has 6 electrons in \[3d\] orbital.


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