Question

what is shielding effect? why does it remain same along a period and decrease down a group?

Answer 1

Answer:

shielding effect is the decrease in the attractive force of the nucleus on tge valence electrons due to inner shell electrons.....

Explanation:

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Answer 2

Answer:

shielding effect is the decrease in the force of attraction of nucleus on valence electrons due to presence of inner electrons and electron shell. its remains same in a period because the number of inner shells and inner shell electrons remains same .It increases in a group because as we move to the next lower element in a group a new shell is added up and the no of inner shells and inner shell electrons increase and so do shielding effect

Explanation:

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