Question

How is shielding effect explained?

Answer 1

The shielding effect is the decrease in attraction between an electron and the nucleus that is caused by the other electrons in the atom. The electrons between an outer electron and the nucleus cancel some of its charge.

Answer 2

Answer:

The shielding effect describes the balance between the pull of the protons on valence electrons and the repulsion forces from inner electrons.

The shielding effect explains why valence-shell electrons are more easily removed from the atom. The effect also explains atomic size.

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