Practice question
Question
Which element in the third period has the smallest atomic radius?
Explanation
Atomic radius decreases across a period. In the third period (Na to Ar), Cl has the smallest radius due to highest nuclear charge. This follows from NCERT principle where the relation explains the outcome clearly for students in simple steps.
Discussion
Comments
Please log in to join the discussion.
Login to commentNo comments yet. Be the first to start the discussion.