Chemistry - PERIODIC TABLE Question with Solution | TestHub

$\mathrm{Na}\to \left[\mathrm{Ne}\right]3{\mathrm{s}}^1{\mathrm{IE}}_1$ is very low but ${\mathrm{IE}}_2$ is very high due to stable noble gas configuration of ${\mathrm{Na}}^{+}$.

$\mathrm{Mg}\to \left[\mathrm{Ne}\right]3{\mathrm{s}}^2{\mathrm{IE}}_1$ and ${\mathrm{IE}}_2\to$ Low

${\mathrm{IE}}_3$ is very high.