Chemistry - PERIODIC TABLE Question with Solution | TestHub

$\begin{array}{llllll}& B& Al& Ga& In& Tl\\ \begin{array}{l}\text{Atomic radius}\\ (\mathrm{pm})\end{array}& 88& 143& 135& 167& 170\\ \text{Electronegativity}& 2& 1.5& 1.6& 1.7& 1.8\\ \begin{array}{l}\text{Density}\\ \left(\mathrm{g}/{\mathrm{cm}}^3\right)\end{array}& 2.35& 2.7& 5.9& 7.31& 11.85\\ \begin{array}{l}\text{Ionisation}\\ Energy(kJ/mol)\end{array}& 801& 577& 579& 558& 589\end{array}$
Radius Order $\mathrm{T}\ell >\mathrm{In}>\mathrm{A}\ell >\mathrm{Ga}>\mathrm{B}$
EN Order $\mathrm{B}>\mathrm{T}\ell >\mathrm{In}>\mathrm{Ga}>\mathrm{Al}$
Density Order $\mathrm{T}\ell >\mathrm{In}>\mathrm{Ga}>\mathrm{A}\ell >\mathrm{B}$
${\mathrm{IE}}_1$ Order $\mathrm{B}>\mathrm{T}\ell >\mathrm{Ga}>\mathrm{A}\ell >\mathrm{In}$