Which of the following pairs has elements containing same number of electrons in the outer most orbit

Options :
  1. N - O
  2. Na - Cl
  3. Ca - Cl
  4. Cl - Br

Answer and Explanation :-

Answer: Option 4


Sorry there is no explanation for this answer. Please help others by posting your response below

How do you rate this queston?  Very Easy  Easy  Average  Above Average  Tough

Previous Question : Which of the following pairs has both members from the same group of the periodic table

Next Question : Diagonal relationship is shown by

Click here for free online test on Chemical Periodicity


 (Getemail alerts when others member replies)

The Six W's: Work will win when wishing won't
-Todd Blackledge