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

  • question_answer
      Atomic number of an element is 12. What is its valency? 

    Answer:

      Electronic configuration of atomic number 12 is Number of valence electrons = 2                                     Valency = 2


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