JEE Main & Advanced Chemistry Structure of Atom Question Bank Quantum number, Electronic configuration and Shape of orbitals

  • question_answer
    Which one is the correct outer configuration of chromium                 [AIIMS 1980, 91; BHU 1995]

    A)                             

    B)                             

    C)                             

    D)                

    Correct Answer: C

    Solution :

     \[C{{r}_{24}}=(Ar)\,3{{d}^{5}}\,4{{s}^{1}}\] electronic configuration because half filled orbital are more stable than other orbitals.


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