s JEE Main, JEE Advanced, CBSE, NEET, IIT, free study packages, test papers, counselling, ask experts - Studyadda.com
  2. Questions Bank
  3. JEE Main & Advanced
  4. Chemistry
  5. Structure of Atom / परमाणु संरचना

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

  • question_answer
    The number of unpaired electrons in \[1{{s}^{2}},\,2{{s}^{2}}2{{p}^{4}}\] is [NCERT 1984; CPMT 1991; MP PMT 1996, 2002]

    A)                 4

    B)                 2

    C)                 0             

    D)                 1

    Correct Answer: B

    Solution :

               \[{{O}_{8}}=\]


You need to login to perform this action.
You will be redirected in 3 sec spinner