Shielding Effect Definition Meaning and Trend in Chemistry

Shielding and Screening EffectThe decrease in the attractive force exerted by the nucleus on the valence shell electron, which is obviously due to the presence of the electrons lying between the nucleus and valence shell electrons (called intervening electrons) is called the shielding effect or screening effect. In other words, the intervening electrons screen or shield the valence-shell electrons from the nucleus.

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