Question

which will have more ionization enthalpy Na or Al​

Answer 1

Na sodium have more ionization ......

Answer 2

Answer:

$\mathfrak\blue{Aluminium}$ will have more Ionisation Enthalpy than $\mathfrak\red{Sodium}$.

Reason:

• Aluminium has a smaller size as compared to sodium as it has a greater positive charge in the nucleus than sodium.
• Since ionisation enthalpy increases with an increase in the nuclear charge, Aluminium has greater ionisation enthalpy than sodium

Hope this helps you.