What is shielding effect
Answers
The inability of the outer electron to get attracted to the nucleus by the effective nuclear charge id called shielding effect
Explanation:
The shielding effect occurs when there is presence of intermediate electrons in the way of electrons in the outermost shell of the atom. The intermediate electrons causes an obstacle to the outer most electron from getting attracted towards the effective nuclear charge.
Example;
In case of Chlorine and Magnesium, Chlorine has an effective nuclear charge of +7 which means that it can attract the valence electron towards it by a charge of +7 whereas Magnesium has an effective nuclear charge as +2 which means it attracts the outermost electron only with a force of +2. This indicates that Magnesium possess less shielding effect than Chlorine.
Answer:
the shielding effect can be defined as a reduction in the Effective nuclear charge on the electron cloud, due to a difference in the attraction forces on the electrons in the atom .
And it is a special case of electric field screening. I hope that you are satisfy with my answer.