Ionization enthalpies of transition metals are

Ionization Enthalpy

The ionization enthalpies of transition metals is__________ s-block elements and ____________ p-block elements.

Ionization enthalpies are

Why 5d transition series elements have higher ionization enthalpies than 4d transition series elements ?

The first ionization enthalpies of alkaline earth metals are higher than corresponding alkali metals due to their _______.

Ionization enthalpy and atomic radius are closely related properties. Analyse the following graph: What conculation can you derive from the graph regarding the first ionization enthalpies of alkali metals and noble gases ? Justyfy.