A) smaller ionic radii
B) higher boiling points
C) greater hardness
D) lower ionization energies
Correct Answer: D
Solution :
Alkali metals have lower ionization energy in comparisoun to the alkaline earth metals. The reason is that their atomic size is greater and hence, it is easy to pull out an electron from outer-most shell, hence the required energy (lonisation energy) is less.You need to login to perform this action.
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