Chemistry - s Block Elements Question with Solution | TestHub

$$\underset{\text{Ionic}\text{radius}}{\overset{{\text{Li}}^{\text{+}}\text{<}{\text{Na}}^{\text{+}}\text{<}{\text{K}}^{\text{+}}\text{<}{\text{Rb}}^{\text{+}}\text{<}{\text{Cs}}^{\text{+}}}{\to }}\underset{\text{Melting}\text{point}\text{/}\text{Ionisation}\text{Energy}\text{/}\text{Electronegativity}}{\overset{\text{Li}\text{>}\text{Na}\text{>}\text{K}\text{>}\text{Rb}\text{>}\text{Cs}}{\leftarrow }}$$