Periodic Table And Periodicity

$\mathrm{Li}<\mathrm{Na}<\mathrm{K}$ - metallic radius

$\mathrm{Br}<\mathrm{F}<\mathrm{Cl}$ - electron gain enthalpy

$\mathrm{C}<\mathrm{N}<\mathrm{O}$ - first ionisation enthalpy

$\mathrm{Mg}^{2+}<\mathrm{Na}^{+}<\mathrm{F}^{-}$- ionic radius