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What is effective nuclear charge ?...

What is effective nuclear charge ?

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The net nuclear charge experienced by valence electrons in the outermost shell is called the effective nuclear charge.
`Z_(eff)=Z-S`
Where,
Z - Atomic number S = Screening constant calculated by using Slater.s rules.
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FULL MARKS-PERIODIC CLASSIFICATION OF ELEMENTS -Textual Evaluation Solved( II brief question)
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