what are S block elements discuss the following in case of alkali metals a) electronic configuration b) atomic size c) ionization enthalpy
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Atomic size of group 1st elements increases down the group.
Ionization energy of group 1st elements decreases down the group because number of shells increases due to which nucleus attractive force on the valence electron also decreases.
Ionization energy of group 1st elements decreases down the group because number of shells increases due to which nucleus attractive force on the valence electron also decreases.
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