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

  • question_answer The following has zero valency  [DPMT 1991]

    A)                 Sodium

    B)                 Beryllium

    C)                 Aluminium         

    D)                 Krypton

    Correct Answer: D

    Solution :

                    Kr has zero valency because it contains 8 electrons in outermost shell.


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