Question

comment on electronegative character of p- block element

Answer 1

the electronegative character of p-block elements.:-Electronegativity of 'p' block elements increases along a period and decreases down the group. Decrease is due to the increase in atomic size.

Answer 2

Answer:

Due to irregularity in atomic sizes the trend is

B>Al<Ga<In><Tl

Explanation:

The decrease from B(boron) to Al(aluminium) is associated with increase in size. The discontinuity between Al(aluminium) and Ga(gallium) and Indium(In) and Thallium(Tl) is due to inability of d and f electrons in producing screening effect or shielding effect.

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