What is screening effect how does it govern the ionization enthalpy of an atom
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the effect of innercore of electrons on nuclear attraction towards nuclear attraction is known as screening effect.
If screening effect increases the nulear attraction towards valence electrons decreases.so low amount of energy is required to remove valence electrons. That means ionisation enthalpy decreases
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effect of innercore of electrons on nuclear attraction towards nuclear attraction is called as screening effect.
as the screening effect increases the effectiveness nuclear charge decrease . The force of attraction by the nucleus for valence shell electrons decreases and hence the ionisation enthalpy decreases.As increase in the number of electrons in the inner shells tends to decrease the ionization enthalpy.
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