ENTRANCE TEST – 2013 :: Discussion


16.Along a period, atomic radius decreases. This gradual decrease in radius is due to
A.Increase in number of electrons in valence shells
B.Increase in number of protons in the nucleus
C.Decrease in number of shells
D. Increase in number of shells
Answer:  Option  D
Explanation:

Tutorial Link:
Published by:Nimra Saeed

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