What is the shielding effect? How does it affect the size of an element?

The shielding effect , is seen when the electrons of inner shells shield the outer shell electrons from the nuclear charge. And this decreases the effective nuclear charge for the outer shell electrons. And hence they are less attracted towards the nucleus.

This happens because of the higher penitration of the inner shell electrons.

The order of penitration is as follows:-

S > p > d > f

Published by ankushmaster

I am M.Sc (chemistry ) from punjabi university. I am a science teacher with expertise in chemistry, with 8 years of experiance in teaching. i am getting a handsome salary , now i wish to help out the people who need me UNCONDITIONALLY. and I am constantly working on creating a new and easy way of learning the tough things in an effective way. I am constantly working to make authentic and reliable information to be shared with my students and widen the horizons of knowledge.

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