The calculated electron gain enthalpy values for alkaline earth metals is positive why?
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The calculated electron gain enthalpy values for alkaline earth metals is positive why?
The calculated electron gain enthalpy values for alkaline earth metals is positive why?
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Because alkaline earth metal possess tendency to lose electron due to metallic nature . If you wanna supply electron to alkaline earth metal force fully , it require energy to add electron . And whenever we supply energy then it is always positive .