In alkaline earth metals, the electrons are more firmly held to the nu

1.	In alkaline earth metals, the electrons are more firmly held to the nucleus and hence
Answer» Ionization enthalpy, of alkaline EARTH metals is greater than that of alkali metals Alkaline EARTHS are less ABUNDANT in nature Reactivity of alkaline earth metals is greater than that of alkali metals Atoms of alkaline earth metals are bigger in size than alkali metals Solution :Ionization enthalpies of alkaline earth METAL are greater than those of alkali metals due to increased nuclear charge.

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