A, B, C, D, E and F are the elements belonging to Second group of Modern periodic table. The correct boiling point trend for these elements is A B C D E F. The element ‘E' in the sequence is

Question

A, B, C, D, E and F are the elements belonging to Second group of Modern periodic table. The correct boiling point trend for these elements is  A > B > C > D > E > F. The element ‘E' in the sequence is

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$$A)$$ Atomic radius…BeMg>Ca>Sr>Ra>Ba;$$C)$$ EN…..Be>Mg>$$Ca=Sr$$>Ba>Ra;$$D)$$ MP…Be>Ca>Sr>Ba>Ra>Mg ;$$E)$$ BP…Be>Ba>Ra>Ca>Sr>Mg ;$$F)$$ Density…..Ra>Ba>Sr>Be>Mg>Ca ;$$G)$$ Abundance in Earth's crust….Ca>Mg>Ba>Sr>Be>Ra ;$$H)$$ Hydration Enthalpy….$$Be2+$$>$$Mg2+$$>$$Ca2+$$>$$Sr2+$$>$$Ba2+I)$$ $$EM2+/M$$° values are negative.Most negative for $$Ra=Ba$$ and least negative for Be.$$J)$$ $$ERa2+/Ra$$°$$(most$$ $$negative)=EBa2+/Ba$$° $$Mg2+$$ > $$Ca2+$$ > $$Sr2+$$ > $$Ba2+$$ $$=$$ $$Ra2+$$ ;

A, B, C, D, E and F are the elements belonging to Second group of Modern periodic table. The correct boiling point trend for these elements is A > B > C > D > E > F. The element ‘E' in the sequence is

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