Which element in group IA (Alkali metals) exh | vedclass

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(A) The chemical reactivity of alkali metals (group $IA$) increases as we move down the group. This is because the ionization energy decreases down th

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$Cs$

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(A) The chemical reactivity of alkali metals (group $IA$) increases as we move down the group. This is because the ionization energy decreases down the group,making it easier for the atom to lose its valence electron. Among the given options,$Cs$ (Cesium) is at the bottom of the group (excluding $Fr$ which is radioactive),making it the most reactive element.

Which element in group $IA$ (Alkali metals) exhibits the highest chemical reactivity?

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