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

  • question_answer Number of unpaired electrons in \[1{{s}^{2}}2{{s}^{2}}2{{p}^{3}}\] is [CPMT 1982; MP PMT 1987; BHU 1987; CBSE PMT 1990; CET Pune 1998; AIIMS 2000]

    A)                 2             

    B)                 0

    C)                 3             

    D)                 1

    Correct Answer: C

    Solution :

               In this type of electronic configuration the number of unpaired electrons are 3.                  = 3

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