2. Questions Bank
  3. 9th Class
  4. Science
  5. Structure of the Atom

9th Class Science Structure of the Atom Question Bank Structure of the Atom

  • question_answer
    Identify the element having two electrons in the K shell of its atom.

    A)  Hydrogen                     

    B)  \[H{{e}^{+}}\]

    C)  Helium              

    D)         Deuterium

    Correct Answer: C

    Solution :

     Helium \[(He)\]-Atomic number\[2\], Electronic configuration is \[2\] and it has \[2\] electrons in \[K\] shell.


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