Atomic and Physical Properties of Group 13 Elements

Which of the following is the correct order of increasing electronegativity trends of group -$13$ elements?

Boron is

The characteristic valence shell configurations of group-$13$ and $14$ elements are respectively

How is the electronegativity vary among the elements of group$-13$ and why?

What is the correct form of the electronic configuration of thallium$\left(\mathrm{TI}\right)$ element?

(i) $\mathrm{N}<\mathrm{F}<\mathrm{O}$ (Order of ${\mathrm{IE}}_2$ )
(ii) $\mathrm{O}<\mathrm{Se}<\mathrm{S}$ (Order of ${\mathrm{EA}}_1$ )
(iii) $\mathrm{Ni}<\mathrm{Pd}\approx \mathrm{Pt}$ (Order of radius)
(iv)$\mathrm{Ga}<\mathrm{Al}<\mathrm{B}$ (Order of EN)

Select correct order:

Write the order of boiling point of boron family elements.

Which of the following element has the highest boiling point ?

Which of the following element has the lowest boiling point ?

On moving down the group, the boiling points of boron family elements 

Which of the following element has highest density ?

The densities of boron family elements are more than

Write about the densities of group$13$ elements?

Write a short note on 'Boron is an Insulator'.

Write a short note on Electrical conductivity of group 13 elements.

Order of standard reduction potential$\left({\mathrm{M}}^{3+}\to \mathrm{M}+ 3{\mathrm{e}}^{-}\right)$ of group 13?

Why thallium have positive standard reduction potential while other elements in group 13 have negative reduction potential?$\left(\mathrm{M}+3{\mathrm{e}}^{-}\to {\mathrm{M}}^{3+}\right)$

What is the boiling point of gallium?

Which one of the following has the lowest m.p.?

Which element from the following pairs has higher ionization enthalpy? $\mathrm{B}$ and $\mathrm{Tl}$, $\mathrm{N}$ and $\mathrm{Bi}$.