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NEET
Exam
NEET
Subject
Chemistry
Chapter
Classification of Elements and Periodicity in Properties

NEET · Chemistry · Classification of Elements and Periodicity in Properties

How does the concept of shielding or screening affect the...

How does the concept of shielding or screening affect the ionization enthalpy?

Options

  1. AIt increases the ionization enthalpy.
  2. BIt decreases the ionization enthalpy.
  3. CIt has no effect on the ionization enthalpy.
  4. DIt depends on the specific element.

Correct answer

B. It decreases the ionization enthalpy.

Step-by-step solution

The shielding or screening of the valence electron from the nucleus by the intervening core electrons decreases the effective nuclear charge experienced by a valence electron, making ionization easier.
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