An element with atomic number 20 will be placed in which period of the periodic table

Options :
  1. 4
  2. 3
  3. 2
  4. 1

Answer and Explanation :-

Answer: Option 1


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 : Ce- 58 is a member of -------------block elements.

Next Question : The long form of periodic table has

Click here for free online test on Chemical Periodicity


 (Getemail alerts when others member replies)

Hold you dreams tight, my friend. Share them with no one. And when the naysayers and the scoffers of the world aren't paying attention, spring it on them fully formed and laugh and dance while they grasp desperately for a hand-hold with which to drag you down.
-Kirt J. Boyd The Last Stop