2. Questions Bank
  3. JEE Main & Advanced
  4. Chemistry
  5. Classification of Elements and Periodicity in Properties / तत्त्वों का वर्गीकरण एवं गुणों में आवर्ति

JEE Main & Advanced Chemistry Classification of Elements and Periodicity in Properties / तत्त्वों का वर्गीकरण एवं गुणों में आवर्ति Question Bank Ionisation Energy

  • question_answer
    The first four ionization energy values of an element are 191, 578, 872 and 5962 kcal. The number of valence electrons in the element is

    A) 1

    B) 2

    C) 3

    D) 4

    Correct Answer: C

    Solution :

    Since the IV, I.E. is very high. Thus electron is to be removed from stable configuration.


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