1. Tardigrade
  2. Question
  3. Chemistry
  4. Assertion: In p-block elements, a lot of variation in properties of elements in a group is observed. Reason: Difference in inner core of electronic configuration greatly influences the physical and chemical properties of elements.

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Q. Assertion : In $p$-block elements, a lot of variation in properties of elements in a group is observed.
Reason : Difference in inner core of electronic configuration greatly influences the physical and chemical properties of elements.

The p-Block Elements

Solution:

The inner core of the electronic configuration may, however, differ. The difference in inner core of elements greatly influences their physical properties (such as atomic and ionic radii, ionisation enthalpy, etc.) as well as chemical properties. Consequently, a lot of variation in properties of elements in a group of p-block is observed.